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Baleen whale. Baleen whales (systematic name Mysticeti), also known as whalebone whales, are a parvorder of carnivorous marine mammals of the infraorder Cetacea (whales, dolphins and porpoises) which use keratinaceous baleen plates (or "whalebone") in their mouths to sieve planktonic creatures from the water. Mysticeti comprises the families Balaenidae (right and bowhead whales), Balaenopteridae (rorquals and the gray whale), and Cetotheriidae (the pygmy right whale). There are currently 16 species of baleen whales. While cetaceans were historically thought to have descended from mesonychids, molecular evidence instead supports them as a clade of even-toed ungulates (Artiodactyla). Baleen whales split from toothed whales (Odontoceti).

Baleen whale. around 34 million years ago.Baleen whales range in size from the 6 (m) and 3000 (kg) pygmy right whale to the 31 (m) and 190 (MT) blue whale, the largest known animal to have ever existed. They are sexually dimorphic. Baleen whales can have streamlined or large bodies, depending on the feeding behavior, and two limbs that are modified into flippers. The fin whale is the fastest baleen whale, recorded swimming at 10 (m/s). Baleen whales use their baleen plates to filter out food from the water by either lunge-feeding or skim-feeding. Baleen whales have fused neck vertebrae, and are.

Baleen whale. unable to turn their heads at all. Baleen whales have two blowholes. Some species are well adapted for diving to great depths. They have a layer of fat, or blubber, under the skin to keep warm in the cold water.Although baleen whales are widespread, most species prefer the colder waters of the Arctic and Antarctic. Gray whales are specialized for feeding on bottom-dwelling crustaceans. Rorquals are specialized at lunge-feeding, and have a streamlined body to reduce drag while accelerating. Right whales skim-feed, meaning they use their enlarged head to effectively take in a large amount of water and sieve the.

Baleen whale. slow-moving prey. Males typically mate with more than one female (polygyny), although the degree of polygyny varies with the species. Male strategies for reproductive success vary between performing ritual displays (whale song) or lek mating. Calves are typically born in the winter and spring months and females bear all the responsibility for raising them. Mothers fast for a relatively long period of time over the period of migration, which varies between species. Baleen whales produce a number of infrasonic vocalizations, notably the songs of the humpback whale.The meat, blubber, baleen, and oil of baleen whales have traditionally been used by.

Baleen whale. the indigenous peoples of the Arctic. Once relentlessly hunted by commercial industries for these products, cetaceans are now protected by international law. These protections have allowed their numbers to recover. However, the North Atlantic right whale is ranked endangered by the International Union for Conservation of Nature. Besides hunting, baleen whales also face threats from marine pollution and ocean acidification. It has been speculated that man-made sonar results in strandings. They have rarely been kept in captivity, and this has only been attempted with juveniles or members of one of the smallest species.## Taxonomy.Baleen whales are cetaceans classified under the.

Baleen whale. parvorder Mysticeti, and consist of three extant families: Balaenidae (right whales), Balaenopteridae (rorquals and the gray whale), and Cetotheriidae (pygmy right whale). Balaenids are distinguished by their enlarged head and thick blubber, while rorquals and gray whales generally have a flat head, long throat pleats, and are more streamlined than Balaenids. Rorquals also tend to be longer than the latter. Cetaceans (whales, dolphins, and porpoises) and artiodactyls are now classified under the order Cetartiodactyla, often still referred to as Artiodactyla (given that the cetaceans are deeply nested with the artiodactyls). The closest living relatives to baleen whales are toothed whales.

Baleen whale. both from the infraorder Cetacea.## Classification.Balaenidae consists of two genera: "Eubalaena" (right whales) and "Balaena" (the bowhead whale, "B. mysticetus"). Balaenidae was thought to have consisted of only one genus until studies done through the early 2000s reported that bowhead whales and right whales are morphologically (different skull shape) and phylogenically different. According to a study done by H. C. Rosenbaum (of the American Museum of Natural History) and colleagues, the North Pacific ("E. japonica") and Southern right ("E. australis") whales are more closely related to each other than to the North Atlantic right whale ("E. glacialis").Cetotheriidae consists of only.

Baleen whale. one living member: the pygmy right whale ("Caperea marginata"). The first descriptions date back to the 1840s of bones and baleen plates resembling a smaller version of the right whale, and was named "Balaena marginata". In 1864, it was moved into the genus "Caperea" after a skull of another specimen was discovered. Six years later, the pygmy right whale was classified under the family Neobalaenidae. Despite its name, the pygmy right whale is more genetically similar to rorquals and gray whales than to right whales. A study published in 2012, based on bone structure, moved the pygmy right whale from.

Baleen whale. and colleagues suggested that, based on phylogenic criteria, there are four extant genera of rorquals. They recommend that the genus "Balaenoptera" be limited to the fin whale, have minke whales fall under the genus "Pterobalaena", and have "Rorqualus" contain the Sei whale, Bryde's whale, Eden's whale (and by extension Rice's whale), the blue whale, and Omura's whale. The gray whale was formerly classified in its own family. The two populations, one in the Sea of Okhotsk and Sea of Japan and the other in eastern Pacific are thought to be genetically and physiologically dissimilar. However, there is some discussion as.

Baleen whale. although obviously more appropriate and occasionally used in the past, has been superseded by "Mysticeti" (junior synonym).Mysticetes are also known as baleen whales because of the presence of baleen. These animals rely on their baleen plates to sieve plankton and other small organisms from the water. The term "baleen" (Middle English "baleyn, ballayne, ballien, bellane", etc.) is an archaic word for "whale", which came from Old French "baleine", derived from the Latin word "balæna", derived itself from the Ancient Greek "φάλλαινα" ("phállaina)".Right whales got their name because of whalers preferring them over other species; they were essentially the "right whale.

Baleen whale. streamlined body. They have callosities, unlike other whales, with the exception of the bowhead whale. Rorquals have a higher proportion of muscle tissue and tend to be negatively buoyant, whereas right whales have a higher proportion of blubber and are positively buoyant. Gray whales are easily distinguished from the other rorquals by their sleet-gray color, dorsal ridges (knuckles on the back), and their gray-white scars left from parasites. As with the other rorquals, their throat pleats increase the capacity of their throats, allowing them to filter larger volumes of water at once. Gray whales are bottom-feeders, meaning they sift through.

Baleen whale. sand to get their food. They usually turn on their sides, scoop up sediment into their mouths and filter out benthic creatures like amphipods, which leave noticeable marks on their heads. The pygmy right whale is easily confused with minke whales because of their similar characteristics, such as their small size, dark gray tops, light gray bottoms, and light eye patches.## Evolutionary history.Molecular phylogeny suggests Mysticeti split from Odontoceti (toothed whales) between 26 and 17 million years ago between the late Oligocene or middle Miocene, but the earliest Mysticeti fossils date to at least 34 million years ago. Their evolutionary.

Baleen whale. link to archaic toothed cetaceans (Archaeoceti) remained unknown until the extinct "Janjucetus hunderi" was discovered in the early 1990s in Victoria, Australia. While, unlike a modern baleen whale, "Janjucetus" lacked baleen in its jaw, the anatomy shows sufficient similarity to baleen whales. It appears to have had very limited apparent biosonar capabilities. Its jaw contained teeth, with incisors and canines built for stabbing and molars and premolars built for tearing. These early mysticetes were exceedingly small compared to modern baleen whales, with species like "Mammalodon" measuring no greater than 10 (ft). It is thought that their size increased with their.

Baleen whale. However, the 2018 discovery of the toothless "Maiabalaena" indicates some lineages evolved toothlessness before baleen."Mystacodon selenensis" is the earliest mysticete, dating back to 37 to 33 million years ago (mya) in the Late Eocene, and, like other early toothed mysticetes, or "archaeomysticetes", "M. selenensis" had heterodont dentition used for suction feeding. Archaeomysticetes from the Oligocene are the Mammalodontidae ("Mammalodon" and "Janjucetus") from Australia. They were small with shortened rostra, and a primitive dental formula (). In baleen whales, it is thought that enlarged mouths adapted for suction feeding evolved before specializations for bulk filter feeding. In the toothed Oligocene mammalodontid.

Baleen whale. "Janjucetus", the symphysis is short and the mouth enlarged, the rostrum is wide, and the edges of the maxillae are thin, indicating an adaptation for suction feeding. The aetiocetid "Chonecetus" still had teeth, but the presence of a groove on the interior side of each mandible indicates the symphysis was elastic, which would have enabled rotation of each mandible, an initial adaptation for bulk feeding like in modern mysticetes.The first toothless ancestors of baleen whales appeared before the first radiation in the late Oligocene. "Eomysticetus" and others like it showed no evidence in the skull of echolocation abilities, suggesting they.

Baleen whale. mainly relied on their eyesight for navigation. The eomysticetes had long, flat rostra that lacked teeth and had blowholes located halfway up the dorsal side of the snout. Though the palate is not well-preserved in these specimens, they are thought to have had baleen and been filter feeders. Miocene baleen whales were preyed upon by larger predators like killer sperm whales and megalodon.The lineages of rorquals and right whales split almost 20 mya. It is unknown where this occurred, but it is generally believed that they, like their descendants, followed plankton migrations. These primitive baleen whales had lost their dentition.

Baleen whale. in favor of baleen, and are believed to have lived on a specialized benthic, plankton, or copepod diet like modern baleen whales. Baleen whales experienced their first radiation in the mid-Miocene. It is thought this radiation was caused by global climate change and major tectonic activity when Antarctica and Australia separated from each other, creating the Antarctic Circumpolar Current. Balaenopterids grew bigger during this time, with species like "Balaenoptera sibbaldina" perhaps rivaling the blue whale in terms of size, though other studies disagree that any baleen whale grew that large in the Miocene.The increase in size is likely due to.

Baleen whale. climate change which caused seasonally shifting accumulations of plankton in various parts of the world, necessitating travel over long distances, as well as the ability to feed on large baitballs to make such trips worthwhile. A 2017 analysis of body size based on data from the fossil record and modern baleen whales indicates that the evolution of gigantism in baleen whales occurred rather recently, within the last 3 million years. Before 4.5 million years ago, few baleen whales exceeded 10 (m) in length; the two largest Miocene species were less than 13 (m) in length. The initial evolution of baleen.

Baleen whale. and filter feeding long preceded the evolution of gigantic body size, indicating the evolution of novel feeding mechanisms did not cause the evolution of gigantism. The formation of the Antarctic circumpolar current and its effects on global climate patterns is excluded as being causal for the same reason. Gigantism also was preceded by divergence of different mysticete lineages, meaning multiple lineages arrived at large size independently. It is possible the Plio-Pleistocene increase in seasonally intense upwellings, causing high-prey-density zones, led to gigantism.## Anatomy.## Motion.When swimming, baleen whales rely on their flippers for locomotion in a wing-like manner similar to penguins.

Baleen whale. and sea turtles. Flipper movement is continuous. While doing this, baleen whales use their tail fluke to propel themselves forward through vertical motion while using their flippers for steering, much like an otter. Some species leap out of the water, which may allow them to travel faster. Because of their great size, right whales are not flexible or agile like dolphins, and none can move their neck because of the fused cervical vertebrae; this sacrifices speed for stability in the water. The hind legs are enclosed inside the body, and are thought to be vestigial organs. However, a 2014 study.

Baleen whale. suggests that the pelvic bone serves as support for whale genitalia.Rorquals, needing to build speed to feed, have several adaptions for reducing drag, including a streamlined body; a small dorsal fin, relative to its size; and lack of external ears or long hair. The fin whale is the fastest among baleen whales, having been recorded travelling as fast as 10 (m/s), and sustaining a speed of 2.5 (m/s) for an extended period. While feeding, the rorqual jaw expands to a volume that can be bigger than the whale itself; to do this, the mouth inflates. The inflation of the mouth.

Baleen whale. causes the cavum ventrale, the throat pleats on the underside stretching to the navel, to expand, increasing the amount of water that the mouth can store. The mandible is connected to the skull by dense fibers and cartilage (fibrocartilage), allowing the jaw to swing open at almost a 90° angle. The mandibular symphysis is also fibrocartilaginous, allowing the jaw to bend which lets in more water. To prevent stretching the mouth too far, rorquals have a sensory organ located in the middle of the jaw to regulate these functions.## External anatomy.Baleen whales have two flippers on the front, near the.

Baleen whale. head. Like all mammals, baleen whales breathe air and must surface periodically to do so. Their nostrils, or blowholes, are situated at the top of the cranium. Baleen whales have two blowholes, as opposed to toothed whales which have one. These paired blowholes are longitudinal slits that converge anteriorly and widen posteriorly, which causes a V-shaped blow. They are surrounded by a fleshy ridge that keeps water away while the whale breathes. The septum that separates the blowholes has two plugs attached to it, making the blowholes water-tight while the whale dives.Like other mammals, the skin of baleen whales has.

Baleen whale. an epidermis, a dermis, a hypodermis, and connective tissue. The epidermis, the pigmented layer, is 5 (mm) thick, along with connective tissue. The epidermis itself is only 1 (mm) thick. The dermis, the layer underneath the epidermis, is also thin. The hypodermis, containing blubber, is the thickest part of the skin and functions as a means to conserve heat. Right whales have the thickest hypodermis of any cetacean, averaging 20 (in), though, as in all whales, it is thinner around openings (such as the blowhole) and limbs. Blubber may also be used to store energy during times of fasting. The.

Baleen whale. connective tissue between the hypodermis and muscles allows only limited movement to occur between them. Unlike toothed whales, baleen whales have small hairs on the top of their head, stretching from the tip of the rostrum to the blowhole, and, in right whales, on the chin. Like other marine mammals, they lack sebaceous and sweat glands.The baleen of baleen whales are keratinous plates. They are made of a calcified, hard α-keratin material, a fiber-reinforced structure made of intermediate filaments (proteins). The degree of calcification varies between species, with the sei whale having 14.5% hydroxyapatite, a mineral that coats teeth and.

Baleen whale. bones, whereas minke whales have 1–4% hydroxyapatite. In most mammals, keratin structures, such as wool, air-dry, but aquatic whales rely on calcium salts to form on the plates to stiffen them. Baleen plates are attached to the upper jaw and are absent in the mid-jaw, forming two separate combs of baleen. The plates decrease in size as they go further back into the jaw; the largest ones are called the "main baleen plates" and the smallest ones are called the "accessory plates". Accessory plates taper off into small hairs.Unlike other whales (and most other mammals), the females are larger than.

Baleen whale. the males. Sexual dimorphism is usually reversed, with the males being larger, but the females of all baleen whales are usually five percent larger than males. Sexual dimorphism is also displayed through whale song, notably in humpback whales where the males of the species sing elaborate songs. Male right whales have bigger callosities than female right whales. The males are generally more scarred than females which is thought to be because of aggression during mating season.## Internal systems.The unique lungs of baleen whales are built to collapse under the pressure instead of resisting the pressure which would damage the lungs,.

Baleen whale. enabling some, like the fin whale, to dive to a depth of -1540 (ft). The whale lungs are very efficient at extracting oxygen from the air, usually 80%, whereas humans only extract 20% of oxygen from inhaled air. Lung volume is relatively low compared to terrestrial mammals because of the inability of the respiratory tract to hold gas while diving. Doing so may cause serious complications such as embolism. Unlike other mammals, the lungs of baleen whales lack lobes and are more sacculated. Like in humans, the left lung is smaller than the right to make room for the heart.

Baleen whale. To conserve oxygen, blood is rerouted from pressure-tolerant-tissue to internal organs, and they have a high concentration of myoglobin which allows them to hold their breath longer.The heart of baleen whales functions similarly to other mammals, with the major difference being the size. The heart can reach 1000 (lbs), but is still proportional to the whale's size. The muscular wall of the ventricle, which is responsible for pumping blood out of the heart, can be 3 to 5 (in) thick. The aorta, an artery, can be .75 (in) thick. Their resting heart rate is 60 to 140 beats per minute.

Baleen whale. (bpm), as opposed to the 60 to 100 bpm in humans. When diving, their heart rate will drop to 4 to 15 bpm to conserve oxygen. Like toothed whales, they have a dense network of blood vessels (rete mirabile) which prevents heat-loss. Like in most mammals, heat is lost in their extremities, so, in baleen whales, warm blood in the arteries is surrounded by veins to prevent heat loss during transport. As well as this, heat inevitably given off by the arteries warms blood in the surrounding veins as it travels back into the core. This is otherwise known as.

Baleen whale. countercurrent exchange. To counteract overheating while in warmer waters, baleen whales reroute blood to the skin to accelerate heat-loss. They have the largest blood corpuscles (red and white blood cells) of any mammal, measuring 4.1e-4 (in) in diameter, as opposed to human's 2.8e-4 (in) blood corpuscles.When sieved from the water, food is swallowed and travels through the esophagus where it enters a three-chambered-stomach. The first compartment is known as the fore-stomach; this is where food gets ground up into an acidic liquid, which is then squirted into the main stomach. Like in humans, the food is mixed with hydrochloric acid.

Baleen whale. and protein-digesting enzymes. Then, the partly digested food is moved into the third stomach, where it meets fat-digesting enzymes, and is then mixed with an alkaline liquid to neutralize the acid from the fore-stomach to prevent damage to the intestinal tract. Their intestinal tract is highly adapted to absorb the most nutrients from food; the walls are folded and contain copious blood vessels, allowing for a greater surface area over which digested food and water can be absorbed. Baleen whales get the water they need from their food; however, the salt content of most of their prey (invertebrates) is similar.

Baleen whale. to that of seawater, whereas the salt content of a whale's blood is considerably lower (three times lower) than that of seawater. The whale kidney is adapted to excreting excess salt; however, while producing urine more concentrated than seawater, it wastes a lot of water which must be replaced.Baleen whales have a relatively small brain compared to their body mass. Like other mammals, their brain has a large, folded cerebrum, the part of the brain responsible for memory and processing sensory information. Their cerebrum only makes up about 68% of their brain's weight, as opposed to human's 83%. The cerebellum,.

Baleen whale. the part of the brain responsible for balance and coordination, makes up 18% of their brain's weight, compared to 10% in humans, which is probably due to the great degree of control necessary for constantly swimming. Necropsies on the brains of gray whales revealed iron oxide particles, which may allow them to find magnetic north like a compass.Unlike most animals, whales are conscious breathers. All mammals sleep, but whales cannot afford to become unconscious for long because they may drown. They are believed to exhibit unihemispheric slow-wave sleep, in which they sleep with half of the brain while the other.

Baleen whale. half remains active. This behavior was only documented in toothed whales until footage of a humpback whale sleeping (vertically) was shot in 2014.It is largely unknown how baleen whales produce sound because of the lack of a melon and vocal cords. In a 2007 study, it was discovered that the larynx had U-shaped folds which are thought to be similar to vocal cords. They are positioned parallel to air flow, as opposed to the perpendicular vocal cords of terrestrial mammals. These may control air flow and cause vibrations. The walls of the larynx are able to contract which may generate.

Baleen whale. sound with support from the arytenoid cartilages. The muscles surrounding the larynx may expel air rapidly or maintain a constant volume while diving.## Senses.The eyes of baleen whales are relatively small for their size and are positioned near the end of the mouth. This is probably because they feed on slow or immobile prey, combined with the fact that most sunlight does not pass 30 (ft), and hence they do not need acute vision. A whale's eye is adapted for seeing both in the euphotic and aphotic zones by increasing or decreasing the pupil's size to prevent damage to the.

Baleen whale. eye. As opposed to land mammals which have a flattened lens, whales have a spherical lens. The retina is surrounded by a reflective layer of cells (tapetum lucidum), which bounces light back at the retina, enhancing eyesight in dark areas. However, light is bent more near the surface of the eye when in air as opposed to water; consequently, they can see much better in the air than in the water. The eyeballs are protected by a thick outer layer to prevent abrasions and an oily fluid (instead of tears) on the surface of the eye. Baleen whales appear to.

Baleen whale. have limited color vision, as they lack S-cones.The mysticete ear is adapted for hearing underwater, where it can hear sound frequencies as low as 7 Hz and as high as 22 kHz, distinct from odontocetes whose hearing is optimized for ultrasonic frequencies. It is largely unknown how sound is received by baleen whales. Unlike in toothed whales, sound does not pass through the lower jaw. The auditory meatus is blocked by connective tissue and an ear plug, which connects to the eardrum. The inner-ear bones are contained in the tympanic bulla, a bony capsule. However, this is attached to the.

Baleen whale. skull, suggesting that vibrations passing through the bone is important. Sinuses may reflect vibrations towards the cochlea. It is known that when the fluid inside the cochlea is disturbed by vibrations, it triggers sensory hairs which send electrical current to the brain, where vibrations are processed into sound.Baleen whales have a small, yet functional, vomeronasal organ. This allows baleen whales to detect chemicals and pheromones released by their prey. It is thought that 'tasting' the water is important for finding prey and tracking down other whales. They are believed to have an impaired sense of smell due to the lack.

Baleen whale. of the olfactory bulb, but they do have an olfactory tract. Baleen whales have few if any taste buds, suggesting they have lost their sense of taste. They do retain salt-receptor taste-buds suggesting that they can taste saltiness.## Behavior.## Migration.Most species of baleen whale migrate long distances from high latitude waters during spring and summer months to more tropical waters during winter months. This migration cycle is repeated annually. The gray whale has the longest recorded migration of any mammal, with one traveling 14,000 (mi) from the Sea of Okhotsk to the Baja Peninsula.It is thought that plankton blooms dictate.

Baleen whale. where whales migrate. Many baleen whales feed on the massive plankton blooms that occur in the cold, nutrient-rich waters of polar regions during the sunny spring and summer months. Baleen whales generally then migrate to calving grounds in tropical waters during the winter months when plankton populations are low. Migration is hypothesized to benefit calves in a number of ways. Newborns, born with underdeveloped blubber, would likely otherwise be killed by the cold polar temperatures. Migration to warmer waters may also reduce the risk of calves being predated on by killer whales.Migratory movements may also reflect seasonally shifting patterns of.

Baleen whale. productivity. California blue whales are hypothesized to migrate between dense patches of prey, moving from central California in the summer and fall, to the Gulf of California in the winter, to the central Baja California Pacific coast in spring.## Foraging.All modern mysticetes are obligate filter feeders, using their baleen to strain small prey items (including small fish, krill, copepods, and zooplankton) from seawater. Despite their carnivorous diet, a 2015 study revealed they house gut flora similar to that of terrestrial herbivores. Different kinds of prey are found in different abundances depending on location, and each type of whale is adapted.

Baleen whale. to a specialized way of foraging.There are two types of feeding behaviors: skim-feeding and lunge-feeding, but some species do both depending on the type and amount of food. Lunge-feeders feed primarily on euphausiids (krill), though some lunge feeders also prey on schools of fish. Skim-feeders, like bowhead whales, feed upon primarily smaller plankton such as copepods. They feed alone or in small groups. Baleen whales get the water they need from their food, and their kidneys excrete excess salt.The lunge-feeders are the rorquals. To feed, lunge-feeders expand the volume of their jaw to a volume bigger than the original volume.

Baleen whale. skim-feeding due to the acceleration and deceleration required.The skim-feeders are right whales, gray whales, pygmy right whales, and sei whales (which also lunge feed). To feed, skim-feeders swim with an open mouth, filling it with water and prey. Prey must occur in sufficient numbers to trigger the whale's interest, be within a certain size range so that the baleen plates can filter it, and be slow enough so that it cannot escape. The "skimming" may take place on the surface, underwater, or even at the ocean's bottom, indicated by mud occasionally observed on right whales' bodies. Gray whales feed primarily.

Baleen whale. on the ocean's bottom, feeding on benthic creatures.Foraging efficiency for both lunge feeding and continuous ram filter feeding is highly dependent upon prey density. The efficiency of a blue whale lunge is approximately 30 times higher at krill densities of 4.5 (kg/m3) than at low krill densities of 0.15 (kg/m3). Baleen whale have been observed seeking out highly specific areas within the local environment in order to forage at the highest density prey aggregations.## Predation and parasitism.Baleen whales, primarily juveniles and calves, are preyed on by killer whales. It is thought that annual whale migration occurs to protect the calves.

Baleen whale. from the killer whales. There have also been reports of a pod of killer whales attacking and killing an adult bowhead whale, by holding down its flippers, covering the blowhole, and ramming and biting until death. Generally, a mother and calf pair, when faced with the threat of a killer whale pod, will either fight or flee. Fleeing only occurs in species that can swim away quickly, the rorquals. Slower whales must fight the pod alone or with a small family group. There has been one report of a shark attacking and killing a whale calf. This occurred in 2014.

Baleen whale. during the sardine run when a shiver of dusky sharks attacked a humpback whale calf. Usually, the only shark that will attack a whale is the cookie cutter shark, which leaves a small, non-fatal bite mark.Many parasites and epibiotics latch onto whales, notably whale lice and whale barnacles. Almost all species of whale lice are specialized towards a certain species of whale, and there can be more than one species per whale. Whale lice eat dead skin, resulting in minor wounds in the skin. Whale louse infestations are especially evident in right whales, where colonies propagate on their callosities. Though.

Baleen whale. not a parasite, whale barnacles latch onto the skin of a whale during their larval stage. However, in doing so it does not harm nor benefit the whale, so their relationship is often labeled as an example of commensalism. Some baleen whales will deliberately rub themselves on substrate to dislodge parasites. Some species of barnacle, such as "Conchoderma auritum" and whale barnacles, attach to the baleen plates, though this seldom occurs. A species of copepod, "Balaenophilus unisetus", inhabits baleen plates of whales. A species of Antarctic diatom, "Cocconeis ceticola", forms a film on the skin, which takes a month to.

Baleen whale. develop; this film causes minor damage to the skin. They are also plagued by internal parasites such as stomach worms, cestodes, nematodes, liver flukes, and acanthocephalans.## Reproduction and development.Before reaching adulthood, baleen whales grow at an extraordinary rate. In the blue whale, the largest species, the fetus grows by some 100 (kg) per day just before delivery, and by 80 (kg) per day during suckling. Before weaning, the calf increases its body weight by 17 (tonnes) and grows from 7 to 8 (m) at birth to 13 to 16 (m) long. When it reaches sexual maturity after 5–10 years, it.

Baleen whale. until it has reached about 5 to 5.5 (m) after 6–7 months. Unusual for a baleen whale, female minkes (and humpbacks) can become pregnant immediately after giving birth; in most species, there is a two-to-three-year calving period. In right whales, the calving interval is usually three years. They grow very rapidly during their first year, after which they hardly increase in size for several years. They reach sexual maturity when 13 to 14 (m) long. Baleen whales are K-strategists, meaning they raise one calf at a time, have a long life-expectancy, and a low infant mortality rate. Some 19th century.

Baleen whale. harpoons found in harvested bowheads indicate this species can live more than 100 years. Baleen whales are promiscuous, with none showing pair bonds. They are polygynous, in that a male may mate with more than one female. The scars on male whales suggest they fight for the right to mate with females during breeding season, somewhat similar to lek mating.Baleen whales have fibroelastic (connective tissue) penises, similar to those of artiodactyls. The tip of the penis, which tapers toward the end, is called the "pars intrapraeputialis" or "terminal cone". The blue whale has the largest penis of any organism on.

Baleen whale. the planet, typically measuring 8 – 10 (ft). Accurate measurements of the blue whale are difficult to take because the whale's erect length can only be observed during mating. The penis on a right whale can be up to 2.7 (m) – the testes, at up to 2 (m) in length, 78 (cm) in diameter, and weighing up to 525 (lbs), are also the largest of any animal on Earth.## Whale song.All baleen whales use sound for communication and are known to "sing", especially during the breeding season. Blue whales produce the loudest sustained sounds of any animals: their low-frequency.

Baleen whale. whales are hard to study because of their immense size. Intelligence tests such as the mirror test cannot be done because their bulk and lack of body language make a reaction impossible to be definitive. However, studies on the brains of humpback whales revealed spindle cells, which, in humans, control theory of mind. Because of this, it is thought that baleen whales, or at least humpback whales, have consciousness.## Relationship with humans.## History of whaling.Whaling by humans has existed since the Stone Age. Ancient whalers used harpoons to spear the bigger animals from boats out at sea. People from Norway.

Baleen whale. started hunting whales around 4,000 years ago, and people from Japan began hunting whales in the Pacific at least as early as that. Whales are typically hunted for their meat and blubber by aboriginal groups; they used baleen for baskets or roofing, and made tools and masks out of bones. The Inuit hunt whales in the Arctic Ocean. The Basques started whaling as early as the 11th century, sailing as far as Newfoundland in the 16th century in search of right whales. 18th and 19th century whalers hunted down whales mainly for their oil, which was used as lamp fuel.

Baleen whale. and a lubricant, and baleen (or whalebone), which was used for items such as corsets and skirt hoops. The most successful whaling nations at this time were the Netherlands, Japan, and the United States.Commercial whaling was historically important as an industry well throughout the 19th and 20th centuries. Whaling was at that time a sizable European industry with ships from Britain, France, Spain, Denmark, the Netherlands, and Germany, sometimes collaborating to hunt whales in the Arctic. By the early 1790s, whalers, namely the British (Australian) and Americans, started to focus efforts in the South Pacific; in the mid-1900s, over 50,000.

Baleen whale. humpback whale were taken from the South Pacific. At its height in the 1880s, U.S. profits turned to USD10,000,000, equivalent to US$225,000,000 today. Commonly exploited species included arctic whales such as the gray whale, right whale, and bowhead whale because they were close to the main whaling ports, like New Bedford. After those stocks were depleted, rorquals in the South Pacific were targeted by nearly all whaling organizations; however, they often out-swam whaling vessels. Whaling rorquals was not effective until the harpoon cannon was invented in the late 1860s. Whaling basically stopped when stocks of all species were depleted to.

Baleen whale. individuals left)—are considered critically endangered. Three more are classified as endangered (the North Pacific right whale, the blue whale, and the sei whale), one as vulnerable (the fin whale), one as near-threatened (Antarctic minke whale), and one as data deficient (Omura's whale). Species that live in polar habitats are vulnerable to the effects of ongoing climate change, particularly declines in sea ice, as well as ocean acidification.The whale-watching industry and anti-whaling advocates argue that whaling catches "friendly" whales that are curious about boats, as these whales are the easiest to catch. This analysis claims that once the economic benefits of.

Baleen whale. hotels, restaurants and other tourist amenities are considered, hunting whales is a net economic loss. This argument is particularly contentious in Iceland, as it has among the most-developed whale-watching operations in the world and the hunting of minke whales resumed in August 2003. Brazil, Argentina and South Africa argue that whale watching is a growing billion-dollar industry that provides more revenue than commercial whaling would provide. Peru, Uruguay, Australia, and New Zealand also support proposals to permanently forbid whaling south of the Equator, as Solor (an island of Indonesia) is the only place of the Southern Hemisphere that takes whales.

Baleen whale. Anti-whaling groups, such as the International Fund for Animal Welfare (IFAW), claim that countries which support a pro-whaling stance are damaging their economies by driving away anti-whaling tourists.Commercial whaling was historically important for the world economy. All species were exploited, and as one type's stock depleted, another type was targeted. The scale of whale harvesting decreased substantially through the 1960s as all whale stocks had been depleted, and practically stopped in 1988 after the International Whaling Commission placed a moratorium which banned whaling for commercial use. Several species that were commercially exploited have rebounded in numbers; for example, gray whales.

Baleen whale. consists of only ten individuals, making the eastern stock functionally extinct.Baleen whales continue to be harvested. Only three nations take whales: Iceland, Norway, and Japan. All these nations are part of the IWC, with Norway and Iceland rejecting the moratorium and continuing commercial whaling. Japan, being part of the IWC, whales under the Scientific Permit stated in Article VIII in the Convention for the Regulation of Whaling, which allows the taking of whales for scientific research. Japan has had two main research programs: the Joint Aquatic Resources Permit Application (JARPA) and the Japanese Research Program in the North (JARPN). JARPN.

Baleen whale. is focused in the North Pacific and JARPA around the Antarctic. JARPA mainly caught Antarctic minke whales, catching nearly 7,000; to a far lesser extent, they also caught fin whales. Animal-rights activist groups, such as the Greenpeace, object to Japan's scientific whaling, with some calling it a substitute for commercial whaling. In 2014, the International Court of Justice (the UN judicial branch) banned the taking of whales for any purpose in the Southern Ocean Whale Sanctuary; however, Japan refuses to stop whaling and has only promised to cut their annual catches by a third (around 300 whales per year).Baleen whales.

Baleen whale. vessel speed correlated with lower collision rates. The ever-increasing amount of ocean noise, including sonar, drowns out the vocalizations produced by whales, notably in the blue whale which produces the loudest vocalization, which makes it harder for them to communicate. Blue whales stop producing foraging D calls once a mid-frequency sonar is activated, even though the sonar frequency range (1–8 kHz) far exceeds their sound production range (25–100 Hz).Poisoning from toxic substances such as polychlorinated biphenyl (PCB) is generally low because of their low trophic level. However, oil spills can be a significant threat, especially to small populations; the already.

Baleen whale. endangered Rice's whale was likely devastated by the Deepwater Horizon oil spill, with some estimates indicating a decline of up to 22% in the species.Some baleen whales can become victims of bycatch, which is especially serious for North Atlantic right whales considering their small number. Right whales feed with a wide-open mouth, risking entanglement in any rope or net fixed in the water column. The rope wraps around their upper jaw, flippers and tail. Some are able to escape, but others remain entangled. If observers notice, they can be successfully disentangled, but others die over a period of months. Other.

Baleen whale. whales, such as humpback whales, can also be entangled.## In captivity.Baleen whales have rarely been kept in captivity. Their large size and appetite make them expensive creatures to maintain. Pools of proper size would also be very expensive to build. For example, a single gray whale calf would need to eat 475 (lbs) of fish per day, and the pool would have to accommodate the 13 (ft) calf, along with ample room to swim. Only gray whales have survived being kept in captivity for over a year. The first gray whale, which was captured in Scammon's Lagoon, Baja California Sur,.

Baleen whale. whales in the nearby bay enclosed by nets. One survived for three months, another (a calf) survived for two weeks, and another was kept for over a month before breaking through the nets.


Question: What is the hymenium type of this plant?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Ileodictyon cibarium. (gleba) on the inner surfaces.## Taxonomy and etymology."Ileodictyon cibarium" was originally described by Edmond Tulasne and Charles Tulasne in an article by Étienne Raoul in 1844. The type specimen was collected in New Zealand.The Māori people had 35 different names referring to "L. cibarium". These included tutae kehua ("ghost droppings"), tūtae whatitiri, and whareatua ("house of the devil"), kōkirikiriwhetū, kōpurawhetū, korokorowhetū, wheterau, popowhaitiri, tikowhatitiri, paruwhatitiri, matakupenga, and tūtae whetū. Several of the names refer to Whaitiri, the atua and personification of thunder, this is because of "L. cibarium" fruiting bodies' appearances following thunderstorms.In a 2018 poll, "L. cibarium" was ranked.


Question: Who is the discoverer or inventor of this object?

Instruction: Determine the Wikipedia snippet that matches the question of this image.

Thermostat. a mercury thermostat to regulate the temperature of a chicken incubator. This is one of the first recorded feedback-controlled devices.Modern thermostat control was developed in the 1830s by Andrew Ure (1778–1857), a Scottish chemist, who invented the bi-metallic thermostat. The textile mills of the time needed a constant and steady temperature to operate optimally, so to achieve this Ure designed the bimetallic thermostat, which would bend as one of the metals expanded in response to the increased temperature and cut off the energy supply.Warren S. Johnson (1847–1911) of Wisconsin patented a bi-metal room thermostat in 1883, and two years later.

Thermostat. a heating or cooling system via a series of air-filled control tubes. This "control air" system responds to the pressure changes (due to temperature) in the control tube to activate heating or cooling when required. The control air typically is maintained on "mains" at 15-18 psi (although usually operable up to 20 psi). Pneumatic thermostats typically provide output/ branch/ post-restrictor (for single-pipe operation) pressures of 3-15 psi which is piped to the end device (valve/ damper actuator/ pneumatic-electric switch, etc.).The pneumatic thermostat was invented by Warren Johnson in 1895 soon after he invented the electric thermostat. In 2009, Harry Sim.


Question: What country does this facility belong to?

Instruction: Determine the Wikipedia snippet that matches the question of this image.

Library of Celsus. The Library of Celsus () is an ancient Roman building in Ephesus, Anatolia, now part of Selçuk, Turkey. The building was commissioned in the 110s A.D. by a consul, Gaius Julius Aquila, as a funerary monument for his father, former proconsul of Asia Tiberius Julius Celsus Polemaeanus, and completed during the reign of Hadrian, sometime after Aquila's death. The library is considered an architectural marvel, and is one of the only remaining examples of a library from the Roman Empire. The Library of Celsus was the third-largest library in the Roman world behind only Alexandria and Pergamum, believed to have.

Library of Celsus. before being elected to serve as a consul in Rome in 92 A.D. Celsus, a native of Sardis, was one of the first men from the Greek-speaking eastern provinces to serve as a consul, the highest elected office in imperial Rome. He was later appointed as proconsul, or governor, of Asia, the Roman province that covered roughly the same area as modern-day Turkey. Celsus's son Aquila commissioned the library in his honor, though it was not completed until after Aquila's death. An inscription records that Celsus left a large legacy of 25,000 denarii to pay for the library's reading material.The.

Library of Celsus. Honorific Portrait Statues in the Greek East in the Second Century A.D." "The Journal of Roman Studies" 88 (1998): 56-93. doi:10.2307/300805. classics.uc.edu, Architecture, classical studies, bibliography (Archived) Virtual reconstruction of the Celsus library in Ephesus, Turkey.


Question: For the animal in the image, what do they commonly eat?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Wolf. often processed carcasses, or that they competed with other carnivores and needed to consume their prey quickly. Compared with those found in the modern spotted hyena, the frequency and location of tooth fractures in these wolves indicates they were habitual bone crackers.Genomic studies suggest modern wolves and dogs descend from a common ancestral wolf population that existed 20,000 years ago. A 2021 study found that the Himalayan wolf and the Indian plains wolf are part of a lineage that is basal to other wolves and split from them 200,000 years ago. Other wolves appear to have originated in Beringia in.

Wolf. in diet between wolves living on different continents is based on the variety of hoofed mammals and of available smaller and domesticated prey.In North America, the wolf's diet is dominated by wild large hoofed mammals (ungulates) and medium-sized mammals. In Asia and Europe, their diet is dominated by wild medium-sized hoofed mammals and domestic species. The wolf depends on wild species, and if these are not readily available, as in Asia, the wolf is more reliant on domestic species. Across Eurasia, wolves prey mostly on moose, red deer, roe deer and wild boar. In North America, important range-wide prey are.

Wolf. elk, moose, caribou, white-tailed deer and mule deer. They also prey on bison and muskoxen. Wolves can digest their meal in a few hours and can feed several times in one day, making quick use of large quantities of meat. A well-fed wolf stores fat under the skin, around the heart, intestines, kidneys, and bone marrow, particularly during the autumn and winter.Nonetheless, wolves are not fussy eaters. Smaller-sized animals that may supplement their diet include rodents, rabbits, hares, insectivores and smaller carnivores. They frequently eat waterfowl and their eggs. When such foods are insufficient, they prey on lizards, snakes, frogs,.

Wolf. and large insects when available. Wolves in northern Minnesota prey on northern pike in freshwater streams. The diet of coastal wolves in Alaska includes 20% salmon, while those of coastal wolves in British Columbia includes 25% marine sources, and those on the nearby islands 75%.In Europe, wolves eat apples, pears, figs, melons, berries and cherries. In North America, wolves eat blueberries and raspberries. Wolves also eat grass, which may provide some vitamins, but is most likely used mainly to induce vomiting to rid themselves of intestinal parasites or long guard hairs. They are known to eat the berries of mountain-ash,.

Wolf. lily of the valley, bilberries, cowberries, European black nightshade, grain crops, and the shoots of reeds.In times of scarcity, wolves will readily eat carrion. In Eurasian areas with dense human activity, many wolf populations are forced to subsist largely on livestock and garbage. Prey in North America continue to occupy suitable habitats with low human density, the wolves eating livestock and garbage only in dire circumstances. Cannibalism is not uncommon in wolves during harsh winters, when packs often attack weak or injured wolves and may eat the bodies of dead pack members.## Interactions with other predators.Wolves typically dominate other canid.

Wolf. in the Russian Far East, where tigers significantly depress wolf numbers, sometimes to the point of localized extinction. Only human depletion of tiger numbers appears to protect wolves from competitive exclusion from them. With perhaps only four proven records of tigers killing wolves, these cases are rare; attacks appear to be competitive rather than predatory in nature.In Israel, Central Asia and India wolves may encounter striped hyenas, usually in disputes over carcasses. Striped hyenas feed extensively on wolf-killed carcasses in areas where the two species interact. One-to-one, hyenas dominate wolves, and may prey on them, but wolf packs can drive.

Wolf. better warmed by sunlight exposure, and the snow can thaw more quickly. Resting places, play areas for the pups, and food remains are commonly found around wolf dens. The odor of urine and rotting food emanating from the denning area often attracts scavenging birds like magpies and ravens. Though they mostly avoid areas within human sight, wolves have been known to nest near domiciles, paved roads and railways. During pregnancy, female wolves remain in a den located away from the peripheral zone of their territories, where violent encounters with other packs are less likely to occur.The gestation period lasts 62–75.

Wolf. Wolves have been killed while attempting to bring down bison, elk, moose, muskoxen, and even by one of their smallest hoofed prey, the white-tailed deer. With smaller prey like beaver, geese, and hares, there is no risk to the wolf. Although people often believe wolves can easily overcome any of their prey, their success rate in hunting hoofed prey is usually low.The wolf must give chase and gain on its fleeing prey, slow it down by biting through thick hair and hide, and then disable it enough to begin feeding. After chasing and then confronting a large prey animal, the.

Wolf. blood loss, thereby lessening the risk of injury to themselves. With medium-sized prey, such as roe deer or sheep, wolves kill by biting the throat, severing nerve tracks and the carotid artery, thus causing the animal to die within a few seconds to a minute. With small, mouselike prey, wolves leap in a high arc and immobilize it with their forepaws.Once prey is brought down, wolves begin to feed excitedly, ripping and tugging at the carcass in all directions, and bolting down large chunks of it. The breeding pair typically monopolizes food to continue producing pups. When food is scarce,.

Wolf. been recorded in Alaskan wolves, infections being most prevalent in winter months.Bacterial diseases carried by wolves include: brucellosis, Lyme disease, leptospirosis, tularemia, bovine tuberculosis, listeriosis and anthrax. Wolves can catch "Brucella suis" from wild and domestic reindeer. While adult wolves tend not to show any clinical signs, it can severely weaken the pups of infected females. Although lyme disease can debilitate individual wolves, it does not appear to significantly affect wolf populations. Leptospirosis can be contracted through contact with infected prey or urine, and can cause fever, anorexia, vomiting, anemia, hematuria, icterus, and death. Wolves living near farms are more.

Wolf. vulnerable to the disease than those living in the wilderness, probably because of prolonged contact with infected domestic animal waste. Wolves may catch tularemia from lagomorph prey, though its effect on wolves is unknown. Although bovine tuberculosis is not considered a major threat to wolves, it has been recorded to have killed two wolf pups in Canada.## Parasitic.Wolves carry ectoparasites and endoparasites; those in the former Soviet Union have been recorded to carry at least 50 species. Most of these parasites infect wolves without adverse effects, though the effects may become more serious in sick or malnourished specimens. Parasitic infection.

Wolf. spotted fever. The tick "Dermacentor pictus" also infests wolves. Other ectoparasites include chewing lice, sucking lice and the fleas "Pulex irritans" and "Ctenocephalides canis".Endoparasites known to infect wolves include: protozoans and helminths (flukes, tapeworms, roundworms and thorny-headed worms). Of 30,000 protozoan species, only a few have been recorded to infect wolves: "Isospora", "Toxoplasma", "Sarcocystis", "Babesia", and "Giardia". Some wolves carry "Neospora caninum", which can be spread to cattle and is correlated with bovine miscarriages. Among flukes, the most common in North American wolves is "Alaria", which infects small rodents and amphibians which are eaten by wolves. Upon reaching maturity, "Alaria.

Wolf. reactions, irritation of the intestinal mucosa, and malnutrition. Infections by the tapeworm "Echinococcus granulosus" in ungulate populations tend to increase in areas with high wolf densities, as wolves can shed "Echinoccocus" eggs in their feces onto grazing areas.Wolves can carry over 30 roundworm species, though most roundworm infections appear benign, depending on the number of worms and the age of the host. "Ancylostoma caninum" attaches itself on the intestinal wall to feed on the host's blood, and can cause hyperchromic anemia, emaciation, diarrhea, and possibly death. "Toxocara canis", a hookworm known to infect wolf pups in the uterus, can cause.

Wolf. Washington and Oregon. In Mexico and parts of the southwestern United States, the Mexican and U.S. governments collaborated from 1977 to 1980 in capturing all Mexican wolves remaining in the wild to prevent their extinction and established captive breeding programs for reintroduction.## Eurasia.Europe, excluding Russia, Belarus and Ukraine, has 17,000 wolves in more than 28 countries. In many countries of the European Union, the wolf is strictly protected under the 1979 Berne Convention on the Conservation of European Wildlife and Natural Habitats (AppendixII) and the 1992 Council Directive 92/43/EEC on the Conservation of Natural Habitats and of Wild Fauna and.

Wolf. numbers by destroying them throughout the year. Russian history over the past century shows that reduced hunting leads to an abundance of wolves. The Russian government has continued to pay bounties for wolves and annual harvests of 20–30% do not appear to significantly affect their numbers.In the Middle East, only Israel and Oman give wolves explicit legal protection. Israel has protected its wolves since 1954 and has maintained a moderately sized population of 150 through effective enforcement of conservation policies. These wolves have moved into neighboring countries. Approximately 300–600 wolves inhabit the Arabian Peninsula. The wolf also appears to be.

Wolf. are depicted as inhabitants of graveyards and destroyers of corpses.In the Pawnee creation myth, the wolf was the first animal brought to Earth. When humans killed it, they were punished with death, destruction and the loss of immortality. For the Pawnee, Sirius is the "wolf star" and its disappearance and reappearance signified the wolf moving to and from the spirit world. Both Pawnee and Blackfoot call the Milky Way the "wolf trail". The wolf is also an important crest symbol for clans of the Pacific Northwest like the Kwakwakaʼwakw.The concept of people turning into wolves, and the inverse, has been.

Wolf. present in many cultures. One Greek myth tells of Lycaon being transformed into a wolf by Zeus as punishment for his evil deeds. The legend of the werewolf has been widespread in European folklore and involves people willingly turning into wolves to attack and kill others. The Navajo have traditionally believed that witches would turn into wolves by donning wolf skins and would kill people and raid graveyards. The Dena'ina believed wolves were once men and viewed them as brothers.## In fable and literature.Aesop featured wolves in several of his fables, playing on the concerns of Ancient Greece's settled, sheep-herding.

Wolf. with a lamb in a utopian vision of the future. In the New Testament, Jesus is said to have used wolves as illustrations of the dangers his followers, whom he represents as sheep, would face should they follow him.Isengrim the wolf, a character first appearing in the 12th-century Latin poem "Ysengrimus", is a major character in the Reynard Cycle, where he stands for the low nobility, whilst his adversary, Reynard the fox, represents the peasant hero. Isengrim is forever the victim of Reynard's wit and cruelty, often dying at the end of each story. The tale of "Little Red Riding.

Wolf. Hood", first written in 1697 by Charles Perrault, is considered to have further contributed to the wolf's negative reputation in the Western world. The Big Bad Wolf is portrayed as a villain capable of imitating human speech and disguising itself with human clothing. The character has been interpreted as an allegorical sexual predator. Villainous wolf characters also appear in "The Three Little Pigs" and "The Wolf and the Seven Young Goats". The hunting of wolves, and their attacks on humans and livestock, feature prominently in Russian literature, and are included in the works of Leo Tolstoy, Anton Chekhov, Nikolay Nekrasov,.

Wolf. in amiable family groups and drawing on the experience of infirm but experienced elder pack members. Farley Mowat's largely fictional 1963 memoir "Never Cry Wolf" is widely considered to be the most popular book on wolves, having been adapted into a Hollywood film and taught in several schools decades after its publication. Although credited with having changed popular perceptions on wolves by portraying them as loving, cooperative and noble, it has been criticized for its idealization of wolves and its factual inaccuracies.## Conflicts.Human presence appears to stress wolves, as seen by increased cortisol levels in instances such as snowmobiling near.

Wolf. their territory.## Predation on livestock.Livestock depredation has been one of the primary reasons for hunting wolves and can pose a severe problem for wolf conservation. As well as causing economic losses, the threat of wolf predation causes great stress on livestock producers, and no foolproof solution of preventing such attacks short of exterminating wolves has been found. Some nations help offset economic losses to wolves through compensation programs or state insurance. Domesticated animals are easy prey for wolves, as they have been bred under constant human protection, and are thus unable to defend themselves very well. Wolves typically resort to.

Wolf. attacking livestock when wild prey is depleted. In Eurasia, a large part of the diet of some wolf populations consists of livestock, while such incidents are rare in North America, where healthy populations of wild prey have been largely restored.The majority of losses occur during the summer grazing period, untended livestock in remote pastures being the most vulnerable to wolf predation. The most frequently targeted livestock species are sheep (Europe), domestic reindeer (northern Scandinavia), goats (India), horses (Mongolia), cattle and turkeys (North America). The number of animals killed in single attacks varies according to species: most attacks on cattle and.

Wolf. horses result in one death, while turkeys, sheep and domestic reindeer may be killed in surplus. Wolves mainly attack livestock when the animals are grazing, though they occasionally break into fenced enclosures.## Competition with dogs.A review of the studies on the competitive effects of dogs on sympatric carnivores did not mention any research on competition between dogs and wolves. Competition would favour the wolf, which is known to kill dogs; however, wolves usually live in pairs or in small packs in areas with high human persecution, giving them a disadvantage when facing large groups of dogs.Wolves kill dogs on occasion,.

Wolf. and some wolf populations rely on dogs as an important food source. In Croatia, wolves kill more dogs than sheep, and wolves in Russia appear to limit stray dog populations. Wolves may display unusually bold behaviour when attacking dogs accompanied by people, sometimes ignoring nearby humans. Wolf attacks on dogs may occur both in house yards and in forests. Wolf attacks on hunting dogs are considered a major problem in Scandinavia and Wisconsin. The most frequently killed hunting breeds in Scandinavia are Harriers, older animals being most at risk, likely because they are less timid than younger animals, and react.

Wolf. to the presence of wolves differently. Large hunting dogs such as Swedish Elkhounds are more likely to survive wolf attacks because of their better ability to defend themselves.Although the number of dogs killed each year by wolves is relatively low, it induces a fear of wolves entering villages and farmyards to prey on them. In many cultures, dogs are seen as family members, or at least working team members, and losing one can lead to strong emotional responses such as demanding more liberal hunting regulations.Dogs that are employed to guard sheep help to mitigate human–wolf conflicts, and are often proposed.

Wolf. as one of the non-lethal tools in the conservation of wolves. Shepherd dogs are not particularly aggressive, but they can disrupt potential wolf predation by displaying what is to the wolf ambiguous behaviours, such as barking, social greeting, invitation to play or aggression. The historical use of shepherd dogs across Eurasia has been effective against wolf predation, especially when confining sheep in the presence of several livestock guardian dogs. Shepherd dogs are sometimes killed by wolves.## Attacks on humans.The fear of wolves has been pervasive in many societies, though humans are not part of the wolf's natural prey. How wolves.

Wolf. do not stop until the wolves involved are eliminated. Predatory attacks can occur at any time of the year, with a peak in the June–August period, when the chances of people entering forested areas (for livestock grazing or berry and mushroom picking) increase. Cases of non-rabid wolf attacks in winter have been recorded in Belarus, Kirov and Irkutsk oblasts, Karelia and Ukraine. Also, wolves with pups experience greater food stresses during this period. The majority of victims of predatory wolf attacks are children under the age of 18 and, in the rare cases where adults are killed, the victims are.


Question: Which significant event was held in this building?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Lenbachhaus. The Lenbachhaus () is a building housing an art museum in Munich's "Kunstareal".## The building.The Lenbachhaus was built as a Florentine-style villa for the painter Franz von Lenbach between 1887 and 1891 by Gabriel von Seidl and was expanded 1927–1929 by Hans Grässel and again 1969–1972 by Heinrich Volbehr and Rudolf Thönnessen. Some of the rooms have kept their original design.The city of Munich acquired the building in 1924 and opened a museum there in 1929. The latest wing was closed to the public in 2009 to allow the expansion and restoration of the Lenbachhaus by Norman Foster; the 1972.


Question: What is the closest parent taxonomy of this plant?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Mitella diphylla. Mitella diphylla (twoleaf miterwort, two-leaved mitrewort, or bishop's cap) is a clump forming, open woodland plant native to northeast and midwest regions of North America.## Description.Miterwort grows from a rhizomatous root system with fibrous roots. Leaves are coarsely toothed with 3-5 shallow lobes. Most leaves are basal, and there is one opposite pair of stemless leaves on each flower stalk.Tiny flowers with finely divided, lacy white petals are produced in mid-spring in racemes on stems growing from 20 to 50 (cm) tall.The seeds are tiny, 1.2 - 1.6 (mm), produced in small green cups, formed from the sepals of the.

Mitella diphylla. flower, and when ripe are shiny and black. They are spread when raindrops hit the cups and splash the seeds out.It grows in high quality mesic forests on moist, mossy ledges and north-facing slopes. The Latin specific epithet "diphylla" means two-leaved and is in reference to the non-basal leaves.## Ecology.The flowers produce both pollen and nectar. Due to their small size, they are mainly visited by small bees and flies: for instance, "Lasioglossum" sweat bees, small carpenter bees ("Ceratina") and hoverflies.## Cultivation.This species is grown as an ornamental plant in shade gardens. It prefers wet-mesic to dry soil and partial.


Question: For the animal in the image, what do they commonly eat?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Elephant. tall. As with other megaherbivores, including the extinct sauropod dinosaurs, the large size of elephants likely developed to allow them to survive on vegetation with low nutritional value. Their limbs grew longer and the feet shorter and broader. The feet were originally plantigrade and developed into a digitigrade stance with cushion pads and the sesamoid bone providing support. Early proboscideans developed longer mandibles and smaller craniums while more derived ones developed shorter mandibles, which shifted the head's centre of gravity. The skull grew larger, especially the cranium, while the neck shortened to provide better support for the skull. The increase.

Elephant. in size led to the development and elongation of the mobile trunk to provide reach. The number of premolars, incisors and canines decreased.The cheek teeth (molars and premolars) of proboscideans became larger and more specialized, especially after elephants started to switch from C3-plants to C4-grasses, which caused their teeth to undergo a three-fold increase in teeth height as well as substantial multiplication of lamellae after about five million years ago. Only in the last million years or so did they return to a diet mainly consisting of C3 trees and shrubs. The upper second incisors grew into tusks, which varied.

Elephant. gait similar to running. In walking, the legs act as pendulums, with the hips and shoulders rising and falling while the foot is planted on the ground. With no "aerial phase", the fast gait does not meet all the criteria of running, although the elephant uses its legs much like other running animals, with the hips and shoulders falling and then rising while the feet are on the ground. Fast-moving elephants appear to 'run' with their front legs, but 'walk' with their hind legs and can reach a top speed of 25 (km/h). At this speed, most other quadrupeds are.

Elephant. impede dehydration and improve thermal regulation over a long period of time.## Behaviour and life history.## Ecology and activities.The African bush elephant can be found in habitats as diverse as dry savannahs, deserts, marshes, and lake shores, and in elevations from sea level to mountains above the snow line. Forest elephants mainly live in equatorial forests but will enter gallery forests and ecotones between forests and savannahs. Asian elephants prefer areas with a mix of grasses, low woody plants, and trees, primarily inhabiting dry thorn-scrub forests in southern India and Sri Lanka and evergreen forests in Malaya. Elephants are herbivorous.


Question: What is the spore print color of this plant?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Pluteus cervinus. fibres when seen through a lens, indicating that the microscopic cuticle structure is filamentous. The gills are initially white, but soon show a distinctive pinkish sheen, caused by the ripening spores. The stipe is 5–12 cm long and 0.5–2 cm in diameter, usually thicker at the base. It is white and covered with brown vertical fibrils. The flesh is soft and white. The mushroom has a mild to earthy radish smell and a mild taste at first, which may become slightly bitter.The spore size is approximately 8×5μ, and the individual spores are elliptical and smooth. The spore print is salmon-pink.


Question: Who/what operates this vehicle?

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Hospital ship. imaging capabilities, such as X-ray, CT-scan and ultrasound. Italian Navy aircraft carrier – Has an on-board hospital with 2 operating rooms, 1 intensive care unit, laboratory, pharmacy and a 32-bed hospital ward. logistic ship – On-board hospital is NATO ROLE-level 2+, with operating room, intensive care unit and a laboratory. Japan Maritime Self-Defense Force – These ships have 2 operating rooms, 2 ICU beds, 35 hospital beds, 1 battle dressing station and several medical imaging (i.e.:X-ray) stations. – These ships have 1 operating room, 1 ICU bed, 8 hospital beds. - These ships have 1 operating room, 2 ICU beds,.


Question: What is the conservation status of this animal? (The status is assigned by the international union for conservation of nature. Choose one among Endangered,Least Concern,Critically Endangered,extinct species,extinct in the wild,Vulnerable,Near Threatened,Data Deficient).

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Waterbuck. had the smallest home range.## Threats and conservation.The International Union for the Conservation of Nature and Natural Resources (IUCN) lists the waterbuck as of least concern (LC). More specifically, the common waterbuck is listed as of Least Concern while the defassa waterbuck is near threatened (NT). The population trend for both the common and defassa waterbuck is decreasing, especially that of the latter, with large populations being eliminated from their habitats due to poaching and human settlement. Their own sedentary nature too is responsible for this to some extent. Numbers have fallen in Queen Elizabeth National Park, Murchison Falls National.


Question: In which year was this item invented or discovered?

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Solar cell. 1839, at age 19, he built the world's first photovoltaic cell in his father's laboratory. Willoughby Smith first described the "Effect of Light on Selenium during the passage of an Electric Current" in a 20 February 1873 issue of Nature. In 1883 Charles Fritts built the first solid state photovoltaic cell by coating the semiconductor selenium with a thin layer of gold to form the junctions; the device was only around 1% efficient. Other milestones include: 1888 – Russian physicist Aleksandr Stoletov built the first cell based on the outer photoelectric effect discovered by Heinrich Hertz in 1887. 1905 –.


Question: What is the length of this lake in kilometre?

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Pfäffikersee. Pfäffikersee (or "Lake Pfäffikon") is a lake in the canton of Zürich, Switzerland, near the town of Pfäffikon. It is 2.5 km long and 1.3 km wide at the middle. The lake was created in the last ice age when a moraine blocked off the ability for the lake to empty north towards Winterthur. There is also a hiking trail around the lake that people often bike and walk on, and the area is considered protected lands, among them the "Robenhauser Ried" and the prehistoric settlement Wetzikon–Robenhausen, discovered and researched by Jakob Messikommer (1828–1917), which became a serial site of.


Question: What is the closest upper taxonomy of this bird?

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Red-footed booby. The red-footed booby (Sula sula) is a large seabird of the booby family, Sulidae. Adults always have red feet, but the colour of the plumage varies. They are powerful and agile fliers, but they are clumsy in takeoffs and landings. They are found widely in the tropics, and breed colonially in coastal regions, especially islands. The species faces few natural or man-made threats, although its population is declining; it is considered to be a least-concern species by the International Union for Conservation of Nature (IUCN).## Taxonomy.The first formal description of the red-footed booby was by the Swedish naturalist Carl Linnaeus.

Red-footed booby. in 1766 in the twelfth edition of his "Systema Naturae". He introduced the binomial name "Pelecanus sula". The type locality is Barbados in the West Indies. The present genus "Sula" was introduced by the French scientist Mathurin Jacques Brisson in 1760. The word "Sula" is Norwegian for a gannet.There are three subspecies: "S. s. sula" (Linnaeus, 1766) – Caribbean and southwest Atlantic islands "S. s. rubripes" Gould, 1838 – tropical Pacific and Indian Oceans "S. s. websteri" Rothschild, 1898 – eastern central Pacific## Description.The red-footed booby is the smallest member of the booby and gannet family at about 70 (cm).


Question: What is the closest parent taxonomy of this bird?

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California quail. The California quail ("Callipepla californica"), also known as the California valley quail or Valley quail, is a small ground-dwelling bird in the New World quail family. These birds have a curving crest or "plume", made of six feathers, that droops forward: black in males and brown in females; the flanks are brown with white streaks. Males have a dark brown cap and a black face with a brown back, a grey-blue chest and a light brown belly. Females and immature birds are mainly grey-brown with a light-colored belly.Their closest relative is Gambel's quail which has a more southerly distribution and.


Question: What is the closest parent taxonomy of this insect?

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Siproeta stelenes. Siproeta stelenes (malachite) is a Neotropical brush-footed butterfly (family Nymphalidae). The malachite has large wings that are black and brilliant green or yellow-green on the upperside and light brown and olive green on the underside. It is named for the mineral malachite, which is similar in color to the bright green on the butterfly's wings. Typically, the wingspread is between 8.5 and 10 (cm). The malachite is found throughout Central and northern South America, where it is one of the most common butterfly species. Its distribution extends as far north as southern Texas and the tip of Florida, to Cuba.

Siproeta stelenes. as subspecies "S. s. insularis" (Holland, 1916), and "S. s. biplagiata", and south to Brazil.Adults feed on flower nectar, rotting fruit, dead animals, and bat dung. Females lay eggs on the new leaves of plants in the family Acanthaceae, especially ruellia. The larvae are horned, spiny, black caterpillars with red markings, The pupa stage is green and have sharp, gold spines that can puncture predators.Malachites often are confused with "Philaethria dido". They have similar coloration, but their wing shapes are different.Malachite fact sheetThe Butterfly Project: Siproeta stelenes.


Question: What country does this place belong to?

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Schipfe. Schipfe is a residential district in Zürich, Switzerland, located on the eastern slope of the Lindenhof, one of the oldest parts of the Helvetii Oppidum Zürich-Lindenhof, by the river Limmat. Historians and the "Weinplatz" suggest that the district was part of the former civilian harbour of the Celtic-Roman "Turicum". The Swiss studio of famous international artist, Conor Mccreedy is based here in a former Roman townhouse. ## Location.Schipfe belongs to the historic area on the left hand shore of the Limmat, located on the west side of the Lindenhof-Sihlbühl hill downstream from the ancient bridges Münsterbrücke and Rathausbrücke Zürich between.


Question: What is the magnitude of the velocity of this animal kilometre per hour?

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Cheetah. in the Sahara, impala in the eastern and southern African woodlands, springbok in the arid savannas to the south and Thomson's gazelle in the Serengeti. Smaller antelopes like the common duiker are a frequent prey in the southern Kalahari. Larger ungulates are typically avoided, though nyala, whose males weigh around 120 (kg), were found to be the major prey in a study in the Phinda Game Reserve. In Namibia cheetahs are the major predators of livestock. The diet of the Asiatic cheetah consists of chinkara, desert hare, goitered gazelle, urial, wild goats and livestock; in India cheetahs used to prey.


Question: Which city or region does this building locate in?

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Predjama Castle. Predjama Castle ( or , German: "", ) is a Renaissance castle built within a cave mouth in south-central Slovenia, in the historical region of Inner Carniola. It is located in the village of Predjama, approximately 11 kilometres from the town of Postojna and 9 kilometres from Postojna Cave.## History of the castle.The castle was first mentioned in 1274 with the German name "Luegg", when the Patriarch of Aquileia built the castle in Gothic style. The castle was built under a natural rocky arch high in the stone wall to make access to it difficult. It was later acquired and.

Predjama Castle. expanded by the Luegg noble family, also known as the Knights of Adelsberg (the German name of Postojna).## Legend of Erasmus of Lueg.The castle became known as the seat of the knight Erasmus of Lueg (or Luegg, Luegger), lord of the castle in the 15th century and a renowned robber baron. He was the son of the imperial governor of Trieste, Nikolaj Lueger.According to legend, Erasmus came into conflict with the Habsburgs when he killed the commander of the imperial army, Marshal Pappenheim, who had offended the honour of Erasmus's deceased friend and famous condottiere Andrej Baumkircher of Vipava. Fleeing.

Predjama Castle. 25 meters away from the cliff's edge. This shaft allowed Erasmus to secretly supply the castle with food in the time of the siege; he also used it to continue with his robberies. Predjama Castle. Postojna Cave. Virtual panoramas of Predjama castle. Burger.si.


Question: What country does this building belong to?

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Bodrum Castle. Bodrum Castle () is a historical fortification located in southwest Turkey in the port city of Bodrum (), built from 1402 onwards, by the Knights of St John as the Castle of St. Peter or "Petronium". A transnational effort, it has four towers known as the English, French, German, and Italian towers, bearing the names of the nations responsible for their construction. The castle was completed in the late 15th century, only to be taken over by the Islamic Ottoman Empire in 1523. The chapel was converted to a mosque, and a minaret was added. The castle remained under the.

Bodrum Castle. empire for almost 400 years. After remaining empty following World War I, in the early 1960s, the castle became the home for the award-winning Bodrum Museum of Underwater Archaeology (see below). In 2016 it was inscribed in the Tentative list of World Heritage Sites in Turkey.## History.Confronted by the now firmly established Ottoman Sultanate, the Knights Hospitaller, whose headquarters were on the island of Rhodes, needed another stronghold on the mainland. Grand Master Philibert de Naillac (1396–1421) identified a suitable site across from the island of Kos, where a castle had already been built by the Order. Its location was.

Bodrum Castle. clay, and iron items. It is the biggest museum of its kind devoted to underwater archaeology. Most of its collection dates from underwater excavations carried out by the Institute of Nautical Archaeology (INA) after 1960. These excavations were performed on several shipwrecks:Finike-Gelidonya shipwreck (12th century BC): 1958–1959; first underwater excavation in Turkey Bodrum-Yassiada shipwreck (Byzantine, 7th century AD): 1961–1964; Roman merchant vessel with 900 amphorasBodrum -Yassiada shipwreck (Late Roman, 4th century AD)Bodrum-Yassiada shipwreck (Ottoman, 16th century AD) (dated by a 16th-century four-real silver coin from Seville (Philip II) )Ṣeytan Deresi shipwreck (16th century BC)Serçe Limanı Shipwreck (glass, 11th century AD):.


Question: Where is this animal native to?

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Pseudacris sierra. The Sierran chorus frog or Sierran treefrog ("Pseudacris sierra") has a range from the West Coast of the United States from Central California inland through Idaho. They live from sea level to more than 10,000 feet in many types of habitats, reproducing in aquatic settings. They occur in shades of greens or browns and can change colors over periods of hours and weeks.## Taxonomy.The naming of this frog has a very confusing history. These frogs have long been known as Pacific chorus frogs "Pseudacris regilla". Then, in 2006, Recuero et al. split that taxonomic concept into three species. Recuero et.


Question: What is the closest parent taxonomy of this animal?

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Epiactis prolifera. Epiactis prolifera, the brooding, proliferating or small green anemone, is a species of marine invertebrate in the family Actiniidae. It is found in the north-eastern Pacific. It has a feature rare among animals in that all individuals start life as females but develop testes later in their lives to become hermaphrodites.## Description.The brooding anemone grows to three centimetres high and up to five centimetres in diameter and varies in colour, usually being greenish-brown but sometimes brown, pink, red or dull green. There are fine white lines starting at the mouth and spreading radially across the oral disc and further white.

Epiactis prolifera. lines occur on the column and pedal disc. The lower part of the column and pedal disc are occasionally blue. There are often radiating pale and dark lines on the edges of the pedal disc and the lower part of the column. The mouth is surrounded by 48 to 96 short, conical tentacles each tipped with a terminal pore.## Distribution and habitat.The brooding anemone is found in shallow areas of the north-east Pacific Ocean. The highest density is on or under rocks in the sublittoral zone, in surge channels, on rock shelves and areas exposed to wave action. It is.

Epiactis prolifera. often found in areas encrusted with coralline algae and sometimes grows on the leaves of eelgrass. It cannot tolerate exposure to the drying air and sunlight. The brooding anemone moves around over the substrate to a greater extent than do other anemones.## Biology."Epiactis prolifera" is a protogynic hermaphrodite. The young all start life as females but when the pedal disc is about two centimetres in diameter, they develop testes on the mesentery and spend the rest of their lives as hermaphrodites. This means that the population consists of a large number of young females and a small number of older.

Epiactis prolifera. hermaphrodites. Reproduction is not limited to any particular season. Sperm is released into the water column and after cross-fertilisation (or sometimes self-fertilisation), the young remain within the mother's gastrovascular cavity during their early development. The mother then expels a mass of eggs and mucus through her mouth and they spread across her oral disc. Cilia move some of them down the column and they become attached to the base of the column with mucus, and perhaps also nematocysts. The larvae develop tentacles of their own and grow in this protective environment for at least three months. When they reach about.

Epiactis prolifera. four millimetres in diameter, they separate from their mother and move away to live independently.If the anemone is damaged and broken in pieces, the various fragments are each able to grow into a new individual.The diet consists of small fish, shrimps, crabs and jellyfish. The prey is immobilised by the nematocysts in the tentacles which inject toxins, then passed by the tentacles through the mouth and into the gastrovascular cavity. Any undigested remains are expelled through the mouth.## Ecology.Despite their stinging nematocysts, brooding anemones are a favoured prey for certain other animals. Many nudibranchs seem to be immune to the.

Epiactis prolifera. toxin and both eat them and can store the unused nematocysts for their own defence. Predators include the nudibranch "Aeolidia papillosa", the leather star "Dermasterias imbricata" and certain fish.This anemone sometimes displays mutualism by attaching itself to a hermit crab or decorator crab. The anemone provides protection for the host from predators and itself benefits by being able to consume food fragments discarded by the crab.The copepod, "Doridicola sunnivae", is an ectoparasite of the brooding anemone.


Question: What is the street address of this building?

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30 St Mary Axe. 30 St Mary Axe (previously known as the Swiss Re Building and informally known as the Gherkin) is a commercial skyscraper in London's primary financial district, the City of London. It was completed in December 2003 and opened in April 2004. With 41 floors, it is 180 (m) tall and stands on the sites of the former Baltic Exchange and Chamber of Shipping, which were extensively damaged in 1992 in the Baltic Exchange bombing by a device placed by the Provisional IRA in St Mary Axe, a narrow street leading north from Leadenhall Street.After plans to build the 92-storey Millennium.

30 St Mary Axe. Tower were dropped, 30 St Mary Axe was designed by Norman Foster and the Arup Group. It was erected by Skanska; construction started in 2001.The building has become a recognisable landmark of London, and it is one of the city's most widely recognised examples of contemporary architecture. It won the 2003 Emporis Skyscraper Award.## Site and early plans.The building stands on the site of the former Baltic Exchange (24–28 St Mary Axe), which was the headquarters of a global marketplace for shipping freight contracts and soft commodities, and the Chamber of Shipping (30–32 St Mary Axe). The tower's topmost panoramic.

30 St Mary Axe. dome, known as the "lens", recalls the iconic glass dome that covered part of the ground floor of the Baltic Exchange and much of which is now displayed at the National Maritime Museum. "The Gherkin" nickname was applied to the current building at least as early as 1999, referring to the plan's highly unorthodox layout and appearance.On 10 April 1992, the Provisional IRA detonated a bomb close to the Baltic Exchange, causing extensive damage to the historic building and neighbouring structures. The United Kingdom government's statutory adviser on the historic environment, English Heritage, and the City of London's governing body,.

30 St Mary Axe. the City of London Corporation, were keen that any redevelopment must restore the Baltic Exchange's old façade onto St Mary Axe. The Exchange Hall was a celebrated fixture of the shipping market.English Heritage then discovered that the damage was far more severe than initially thought, and they stopped insisting on full restoration, albeit over the objections of architectural conservationists. The Baltic Exchange and the Chamber of Shipping sold the land to Trafalgar House in 1995. Most of the remaining structures on the Baltic Exchange site were then carefully dismantled, and the interior of Exchange Hall and the façade were preserved,.

30 St Mary Axe. hoping for a reconstruction of the building in the future. The salvaged material was eventually sold for £800,000 and moved to Tallinn, Estonia, where it awaits reconstruction as the centrepiece of the city's commercial sector.In 1996, Trafalgar House submitted plans for the London Millennium Tower, a 386 (m) building with more than 140000 (sqm) of office space, apartments, shops, restaurants and gardens. This plan was dropped after objections that it was totally out-of-scale in the City of London, and anticipated disruption to flight paths for both London City and London Heathrow airports; the revised plan for a lower tower was.

30 St Mary Axe. accepted.## Planning process.John Prescott, the Deputy Prime Minister, granted planning permission on 23 August 2000 to construct a building on the site, which would be much larger than the old Exchange. The site needed development, was not on any of the "sight lines" (planning guidance requires that new buildings do not obstruct or detract from the view of St Paul's Cathedral dome when viewed from a number of locations around London), and had housed the Baltic Exchange.The plan for the site was to reconstruct the Baltic Exchange. GMW Architects proposed a new rectangular building surrounding a restored exchange: it would.

30 St Mary Axe. have the type of large floor plan that banks liked. Eventually, the planners realised that the exchange was not recoverable, forcing them to relax their building constraints; they hinted that an "architecturally significant" building might obtain a favourable reception from City authorities. This gave the architect a free hand in the design. The building was designed according to the client's needs, rather than for the needs of a large, capital-efficient, money-making building.The new building's low-level plan satisfied the planning authority's desire to maintain London's traditional streetscape, with its narrow streets. The massing of the tower was not too imposing. Like.

30 St Mary Axe. Barclays' former city headquarters in Lombard Street, the idea was that the passer-by in neighbouring streets would be nearly oblivious to the tower's existence until directly underneath it.## Design and construction.The building was constructed by Skanska, completed in December 2003 and opened on 28 April 2004. The primary occupant of the building is Swiss Re, a global reinsurance company, which had the building commissioned as the head office for its UK operation. The tower is thus sometimes known as the Swiss Re Building, although this name has never been official and was never in popular usage anyway, unlike the Gherkin.

30 St Mary Axe. moniker.The building uses energy-saving methods which allow it to use only half the power that a similar tower would typically consume. Gaps in each floor create six shafts that serve as a natural ventilation system for the entire building, even though required firebreaks on every sixth floor interrupt the "chimney". The shafts create a giant double glazing effect; air is sandwiched between two layers of glazing and insulates the office space inside.Architects promote double glazing in residential houses, which avoids the inefficient convection of heat across the relatively narrow gap between the panes, but the tower exploits this effect. The.

30 St Mary Axe. shafts pull warm air out of the building during the summer and warm the building in the winter using passive solar heating. The shafts also allow sunlight to pass through the building, making the work environment more pleasing, and keeping the lighting costs down.The primary methods for controlling wind-excited sways are to increase the stiffness, or increase damping with tuned/active mass dampers. To a design by Arup, its fully triangulated perimeter structure makes the building rigid enough without any extra reinforcements. Despite its overall curved glass shape, there is only one piece of curved glass on the building, the lens-shaped.

30 St Mary Axe. cap at the apex.On the building's top level (the 40th floor), there is a bar for tenants and their guests, with a panoramic view of London. A restaurant operates on the 39th floor, and private dining rooms on the 38th. Most buildings have extensive lift equipment on the roof of the building, but this was not possible for the Gherkin, since a bar had been planned for the 40th floor. The architects dealt with this by having the main lift only reach the 34th floor, with a separate push-from-below lift to the 39th floor. There is a marble stairwell and.

30 St Mary Axe. a disabled persons' lift, which leads the visitor up to the bar in the dome.The building is visible over long distances: From the north, for instance, it can be seen from the M11 motorway, some 32 (km) away, while to the west it can be seen from the statue of George III in Windsor Great Park.## After completion.In April 2005, a glass panel two thirds up the tower fell to the plaza beneath. The plaza was sealed off, but the building remained open. A temporary covered walkway, extending across the plaza to the building's reception, was erected to protect visitors.

30 St Mary Axe. Engineers examined the other 744 glass panels on the building. The cost of repair was covered by main contractor Skanska and curtain-wall supplier Schmidlin (now called Schmidlin-TSK AG). The open-floor ventilation system did not operate as designed due to tenants adding glass partitions to increase security.Since its completion, the building has won a number of awards for architecture. In October 2004, the architect was awarded the 2004 Stirling Prize. For the first time in the prize's history, the judges were unanimous. In December 2005, a survey of the world's largest firms of architects published in "2006 BD World Architecture 200.

30 St Mary Axe. voted the tower as the most admired new building in the world. However, Ken Shuttleworth, who worked for Foster + Partners on the design of the building, said in 2011 that he believed the style was now out-moded: "I was looking at the glass all around and [thought], 'Why on earth did we do that?' Now we would do things differently". The building appeared in recent films such as "Harry Potter and the Half Blood Prince", "A Good Year", "Basic Instinct 2", and "Match Point" and, rechristened the "Spirit of London", became the spaceship centrepiece of Keith Mansfield's 2008 novel.

30 St Mary Axe. "Johnny Mackintosh and the Spirit of London".In September 2006, the building was put up for sale with a price tag of £600 million. Potential buyers included British Land, Land Securities, Prudential, ING, and the Abu Dhabi royal family. On 21 February 2007, IVG Immobilien AG and UK investment firm Evans Randall completed their joint purchase of the building for £630 million, making it Britain's most expensive office building. Swiss Re made a gain of more than £300 million from the sale. The new owners are seeking compensation from four of their former managers on the deal, in which about £620.

30 St Mary Axe. million was paid for a building with a build cost of about £200 million, giving the previous owners a clear £300 million profit.Since February 2010, Sky News has broadcast its flagship business programme, "Jeff Randall Live", from a studio in the building. The top two floors of the tower have been available since at least 2015 for private hire for events.Deloitte announced in April 2014 that the building was again being put up for sale, with an expected price of £550 million. The current owners could not afford to make loan repayments, citing differences in the value of the multi-currency.

30 St Mary Axe. loan and the British pound, high interest rates and general financing structure. In November 2014, the Gherkin was purchased for £700 million by the Safra Group, controlled by the Brazilian billionaire Joseph Safra. Landmarks of London Diagrid List of tallest buildings and structures in London Mathematics and architecture Phallic architecture, a list of similarly shaped buildings that includes 30 St Mary Axe Norman Foster's site about the project.


Question: How heavy does this animal typically grow up to in terms of kilogram?

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Aurochs. aurochs was similar in size to the European aurochs in the Pleistocene, but declined in size during the transition to the Holocene; it may have also varied in size geographically.The body mass of aurochs appears to have shown some variability. Some individuals reached around 700 (kg), whereas those from the late Middle Pleistocene are estimated to have weighed up to 1500 (kg). The aurochs exhibited considerable sexual dimorphism in the size of males and females.## Horns.The horns were massive, reaching 80 (cm) in length and between 10 and 20 (cm) in diameter. Its horns grew from the skull at a.


Question: What country does this facility belong to?

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La Recoleta Cemetery. La Recoleta Cemetery () is a cemetery located in the Recoleta neighbourhood of Buenos Aires, Argentina. It contains the graves of notable people, including Eva Perón, presidents of Argentina, Nobel Prize winners, the founder of the Argentine Navy, and military commanders like Julio Argentino Roca. In 2011, the BBC hailed it as one of the world's best cemeteries, and in 2013, CNN listed it among the 10 most beautiful cemeteries in the world.## History.Franciscan Recollect monks () arrived in this area, then the outskirts of Buenos Aires, in the early eighteenth century. The cemetery is built around the Recollect Convent.

La Recoleta Cemetery. imported from Paris and Milan. The entire cemetery is laid out in sections like city blocks, with wide tree-lined main walkways branching into sidewalks filled with mausoleums. These mausoleums are still being used by rich families in Argentina that have their own vault and keep their deceased there.While many of the mausoleums are in fine shape and well-maintained, others have fallen into disrepair. Several can be found with broken glass and littered with rubbish. Among many memorials are works by notable Argentine sculptors, Lola Mora and Luis Perlotti for instance. The tomb of Liliana Crociati de Szaszak, due to its.