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Sea otter. The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh between 14 and 45 (kg), making them the heaviest members of the weasel family, but among the smallest marine mammals. Unlike most marine mammals, the sea otter's primary form of insulation is an exceptionally thick coat of fur, the densest in the animal kingdom. Although it can walk on land, the sea otter is capable of living exclusively in the ocean.The sea otter inhabits nearshore environments, where it dives to the sea floor to.

Sea otter. were once estimated at 150,000–300,000, were hunted extensively for their fur between 1741 and 1911, and the world population fell to 1,000–2,000 individuals living in a fraction of their historic range. A subsequent international ban on hunting, sea otter conservation efforts, and reintroduction programs into previously populated areas have contributed to numbers rebounding, and the species occupies about two-thirds of its former range. The recovery of the sea otter is considered an important success in marine conservation, although populations in the Aleutian Islands and California have recently declined or have plateaued at depressed levels. For these reasons, the sea otter.

Sea otter. remains classified as an endangered species.## Evolution.The sea otter is the heaviest (the giant otter is longer, but significantly slimmer) member of the family Mustelidae, a diverse group that includes the 13 otter species and terrestrial animals such as weasels, badgers, and minks. It is unique among the mustelids in not making or burrows, in having no functional anal scent glands, and in being able to live its entire life without leaving the water. The only living member of the genus "Enhydra", the sea otter is so different from other mustelid species that, as recently as 1982, some scientists believed.

Sea otter. spread east to the Aleutian Islands, mainland Alaska, and down the North American coast. In comparison to cetaceans, sirenians, and pinnipeds, which entered the water approximately 50, 40, and 20 million years ago, respectively, the sea otter is a relative newcomer to a marine existence. In some respects, though, the sea otter is more fully adapted to water than pinnipeds, which must haul out on land or ice to give birth. The full genome of the northern sea otter ("Enhydra lutris kenyoni") was sequenced in 2017 and may allow for examination of the sea otter's evolutionary divergence from terrestrial mustelids.##.

Sea otter. Taxonomy.The first scientific description of the sea otter is contained in the field notes of Georg Steller from 1751, and the species was described by Carl Linnaeus in his landmark 1758 10th edition of "Systema Naturae". Originally named "Lutra marina", it underwent numerous name changes before being accepted as "Enhydra lutris" in 1922. The generic name "Enhydra", derives from the Ancient Greek "en"/εν "in" and "hydra"/ύδρα "water", meaning "in the water", and the Latin word "lutris", meaning "otter". It was formerly sometimes referred to as the "sea beaver".## Subspecies.Three subspecies of the sea otter are recognized with distinct geographical distributions.

Sea otter. Description.The sea otter is one of the smallest marine mammal species, but it is the heaviest mustelid. Male sea otters usually weigh 22 to 45 (kg) and are 1.2 to 1.5 (m) in length, though specimens up to 54 (kg) have been recorded. Females are smaller, weighing 14 to 33 (kg) and measuring 1.0 to 1.4 (m) in length. For its size, the male otter's baculum is very large, massive and bent upwards, measuring 150 (mm) in length and 15 (mm) at the base.Unlike most other marine mammals, the sea otter has no blubber and relies on its exceptionally thick.

Sea otter. fur to keep warm. With up to 150000 (/cm2), its fur is the densest of any animal. The fur consists of long, waterproof guard hairs and short underfur; the guard hairs keep the dense underfur layer dry. There is an air compartment between the thick fur and the skin where air is trapped and heated by the body. Cold water is kept completely away from the skin and heat loss is limited. However, this air compartment can be disadvantageous because as the sea otter dives deeper into the water column, the air compartment compresses and heat needed to warm the.

Sea otter. the urchin's shell.The sea otter's use of rocks when hunting and feeding makes it one of the few mammal species to use tools. To open hard shells, it may pound its prey with both paws against a rock on its chest. To pry an abalone off its rock, it hammers the abalone shell using a large stone, with observed rates of 45 blows in 15 seconds. Releasing an abalone, which can cling to rock with a force equal to 4,000 times its own body weight, requires multiple dives.## Social structure.Although each adult and independent juvenile forages alone, sea otters tend.

Sea otter. to rest together in single-sex groups called "rafts". A raft typically contains 10 to 100 animals, with male rafts being larger than female ones. The largest raft ever seen contained over 2000 sea otters. To keep from drifting out to sea when resting and eating, sea otters may wrap themselves in kelp.A male sea otter is most likely to mate if he maintains a breeding territory in an area that is also favored by females. As autumn is the peak breeding season in most areas, males typically defend their territory only from spring to autumn. During this time, males patrol.

Sea otter. jaws during copulation. Visible scars are often present on females from this behavior.Births occur year-round, with peaks between May and June in northern populations and between January and March in southern populations. Gestation appears to vary from four to twelve months, as the species is capable of delayed implantation followed by four months of pregnancy. In California, sea otters usually breed every year, about twice as often as those in Alaska.Birth usually takes place in the water and typically produces a single pup weighing 1.4 to 2.3 (kg). Twins occur in 2% of births; however, usually only one pup survives.

Sea otter. At birth, the eyes are open, ten teeth are visible, and the pup has a thick coat of baby fur. Mothers have been observed to lick and fluff a newborn for hours; after grooming, the pup's fur retains so much air, the pup floats like a cork and cannot dive. The fluffy baby fur is replaced by adult fur after about 13 weeks.Nursing lasts six to eight months in Californian populations and four to twelve months in Alaska, with the mother beginning to offer bits of prey at one to two months. The milk from a sea otter's two abdominal.

Sea otter. water, sometimes wrapped in kelp to keep it from floating away; if the pup is not sleeping, it cries loudly until she returns. Mothers have been known to carry their pups for days after the pups' deaths.Females become sexually mature at around three or four years of age and males at around five; however, males often do not successfully breed until a few years later. A captive male sired offspring at age 19. In the wild, sea otters live to a maximum age of 23 years, with lifespans ranging from 10 to 15 years for males and 15–20 years for.

Sea otter. females. Several captive individuals have lived past 20 years, and a female at the Seattle Aquarium died at the age of 28 years. Sea otters in the wild often develop worn teeth, which may account for their apparently shorter lifespans.## Population and distribution.Sea otters live in coastal waters 15 to 23 (m) deep, and usually stay within a kilometre ( mi) of the shore. They are found most often in areas with protection from the most severe ocean winds, such as rocky coastlines, thick kelp forests, and barrier reefs. Although they are most strongly associated with rocky substrates, sea otters.

Sea otter. can also live in areas where the sea floor consists primarily of mud, sand, or silt. Their northern range is limited by ice, as sea otters can survive amidst drift ice but not land-fast ice. Individuals generally occupy a home range a few kilometres long, and remain there year-round.The sea otter population is thought to have once been 150,000 to 300,000, stretching in an arc across the North Pacific from northern Japan to the central Baja California Peninsula in Mexico. The fur trade that began in the 1740s reduced the sea otter's numbers to an estimated 1,000 to 2,000 members.

Sea otter. in 13 colonies. Hunting records researched by historian Adele Ogden place the westernmost limit of the hunting grounds off the northern Japanese island of Hokkaido and the easternmost limit off Punta Morro Hermosa about 21+1/2 (mi) south of Punta Eugenia, Baja California's westernmost headland in Mexico.In about two-thirds of its former range, the species is at varying levels of recovery, with high population densities in some areas and threatened populations in others. Sea otters currently have stable populations in parts of the Russian east coast, Alaska, British Columbia, Washington, and California, with reports of recolonizations in Mexico and Japan. Population.

Sea otter. estimates made between 2004 and 2007 give a worldwide total of approximately 107,000 sea otters.## Japan.Adele Ogden wrote in "The California Sea Otter Trade" that sea otter were hunted "from Yezo northeastward past the Kuril Group and Kamchatka to the Aleutian Chain". "Yezo" refers to the island of Hokkaido in northern Japan; the only confirmed sea otter population in Japanese territory is on the coast surrounding the town of Erimo, Hokkaido.## Russia.Currently, the most stable and secure part of the sea otter's range is Russia. Before the 19th century, around 20,000 to 25,000 sea otters lived near the Kuril Islands,.

Sea otter. with more near Kamchatka and the Commander Islands. After the years of the Great Hunt, the population in these areas, currently part of Russia, was only 750. By 2004, sea otters had repopulated all of their former habitat in these areas, with an estimated total population of about 27,000. Of these, about 19,000 are at the Kurils, 2,000 to 3,500 at Kamchatka and another 5,000 to 5,500 at the Commander Islands. Growth has slowed slightly, suggesting the numbers are reaching carrying capacity.## British Columbia.Along the North American coast south of Alaska, the sea otter's range is discontinuous. A remnant population.

Sea otter. survived off Vancouver Island into the 20th century, but it died out despite the 1911 international protection treaty, with the last sea otter taken near Kyuquot in 1929. From 1969 to 1972, 89 sea otters were flown or shipped from Alaska to the west coast of Vancouver Island. This population increased to over 5,600 in 2013 with an estimated annual growth rate of 7.2%, and their range on the island's west coast extended north to Cape Scott and across the Queen Charlotte Strait to the Broughton Archipelago and south to Clayoquot Sound and Tofino. In 1989, a separate colony was.

Sea otter. discovered in the central British Columbia coast. It is not known if this colony, which numbered about 300 animals in 2004, was founded by transplanted otters or was a remnant population that had gone undetected. By 2013, this population exceeded 1,100 individuals, was increasing at an estimated 12.6% annual rate, and its range included Aristazabal Island, and Milbanke Sound south to Calvert Island. In 2008, Canada determined the status of sea otters to be "special concern".## United States.## Alaska.Alaska is the central area of the sea otter's range. In 1973, the population in Alaska was estimated at between 100,000 and.

Sea otter. 125,000 animals. By 2006, though, the Alaska population had fallen to an estimated 73,000 animals. A massive decline in sea otter populations in the Aleutian Islands accounts for most of the change; the cause of this decline is not known, although orca predation is suspected. The sea otter population in Prince William Sound was also hit hard by the Exxon Valdez oil spill, which killed thousands of sea otters in 1989.## Washington.In 1969 and 1970, 59 sea otters were translocated from Amchitka Island to Washington, and released near La Push and Point Grenville. The translocated population is estimated to have.

Sea otter. declined to between 10 and 43 individuals before increasing, reaching 208 individuals in 1989. As of 2017, the population was estimated at over 2,000 individuals, and their range extends from Point Grenville in the south to Cape Flattery in the north and east to Pillar Point along the Strait of Juan de Fuca.In Washington, sea otters are found almost exclusively on the outer coasts. They can swim as close as six feet off shore along the Olympic coast. Reported sightings of sea otters in the San Juan Islands and Puget Sound almost always turn out to be North American river.

Sea otter. otters, which are commonly seen along the seashore. However, biologists have confirmed isolated sightings of sea otters in these areas since the mid-1990s.## Oregon.The last native sea otter in Oregon was probably shot and killed in 1906. In 1970 and 1971, a total of 95 sea otters were transplanted from Amchitka Island, Alaska to the Southern Oregon coast. However, this translocation effort failed and otters soon again disappeared from the state. In 2004, a male sea otter took up residence at Simpson Reef off of Cape Arago for six months. This male is thought to have originated from a colony.

Sea otter. in Washington, but disappeared after a coastal storm. On 18 February 2009, a male sea otter was spotted in Depoe Bay off the Oregon Coast. It could have traveled to the state from either California or Washington.## California.The historic population of California sea otters was estimated at 16,000 before the fur trade decimated the population, leading to their assumed extinction. Today's population of California sea otters are the descendants of a single colony of about 50 sea otters located near Bixby Creek Bridge in March 1938 by Howard G. Sharpe, owner of the nearby Rainbow Lodge on Bixby Bridge in.

Sea otter. Big Sur. Their principal range has gradually expanded and extends from Pigeon Point in San Mateo County to Santa Barbara County.Sea otters were once numerous in San Francisco Bay. Historical records revealed the Russian-American Company sneaked Aleuts into San Francisco Bay multiple times, despite the Spanish capturing or shooting them while hunting sea otters in the estuaries of San Jose, San Mateo, San Bruno and around Angel Island. The founder of Fort Ross, Ivan Kuskov, finding otters scarce on his second voyage to Bodega Bay in 1812, sent a party of Aleuts to San Francisco Bay, where they met another.

Sea otter. Russian party and an American party, and caught 1,160 sea otters in three months. By 1817, sea otters in the area were practically eliminated and the Russians sought permission from the Spanish and the Mexican governments to hunt further and further south of San Francisco. Remnant sea otter populations may have survived in the bay until 1840, when the Rancho Punta de Quentin was granted to Captain John B. R. Cooper, a sea captain from Boston, by Mexican Governor Juan Bautista Alvarado along with a license to hunt sea otters, reportedly then prevalent at the mouth of Corte Madera Creek.In.

Sea otter. the late 1980s, the USFWS relocated about 140 southern sea otters to San Nicolas Island in southern California, in the hope of establishing a reserve population should the mainland be struck by an oil spill. To the surprise of biologists, the majority of the San Nicolas sea otters swam back to the mainland. Another group of twenty swam 74 (mi) north to San Miguel Island, where they were captured and removed. By 2005, only 30 sea otters remained at San Nicolas, although they were slowly increasing as they thrived on the abundant prey around the island. The plan that authorized.

Sea otter. the translocation program had predicted the carrying capacity would be reached within five to 10 years. The spring 2016 count at San Nicolas Island was 104 sea otters, continuing a 5-year positive trend of over 12% per year. Sea otters were observed twice in Southern California in 2011, once near Laguna Beach and once at Zuniga Point Jetty, near San Diego. These are the first documented sightings of otters this far south in 30 years.When the USFWS implemented the translocation program, it also attempted, in 1986, to implement "zonal management" of the Californian population. To manage the competition between sea.

Sea otter. response to lawsuits filed by the Santa Barbara-based Environmental Defense Center and the Otter Project, on 19 December 2012 the USFWS declared that the "no otter zone" experiment was a failure, and will protect the otters re-colonizing the coast south of Point Conception as threatened species. Although abalone fisherman blamed the incursions of sea otters for the decline of abalone, commercial abalone fishing in southern California came to an end from overfishing in 1997, years before significant otter moved south of Point Conception. In addition, white abalone ("Haliotis sorenseni"), a species never overlapping with sea otter, had declined in numbers.

Sea otter. 99% by 1996, and became the first marine invertebrate to be federally listed as endangered.Although the southern sea otter's range has continuously expanded from the remnant population of about 50 individuals in Big Sur since protection in 1911, from 2007 to 2010, the otter population and its range contracted and since 2010 has made little progress. As of spring 2010, the northern boundary had moved from about Tunitas Creek to a point 2 (km) southeast of Pigeon Point, and the southern boundary has moved along the Gaviota Coast from approximately Coal Oil Point to Gaviota State Park. A toxin called.

Sea otter. microcystin, produced by a type of cyanobacteria ("Microcystis"), seems to be concentrated in the shellfish the otters eat, poisoning them. Cyanobacteria are found in stagnant water enriched with nitrogen and phosphorus from septic tank and agricultural fertilizer runoff, and may be flushed into the ocean when streamflows are high in the rainy season. A record number of sea otter carcasses were found on California's coastline in 2010, with increased shark attacks an increasing component of the mortality. Great white sharks do not consume relatively fat-poor sea otters but shark-bitten carcasses have increased from 8% in the 1980s to 15% in.

Sea otter. the 1990s and to 30% in 2010 and 2011.For southern sea otters to be considered for removal from threatened species listing, the U.S. Fish and Wildlife Service (USFWS) determined that the population should exceed 3,090 for three consecutive years. In response to recovery efforts, the population climbed steadily from the mid-20th century through the early 2000s, then remained relatively flat from 2005 to 2014 at just under 3,000. There was some contraction from the northern (now Pigeon Point) and southern limits of the sea otter's range during the end of this period, circumstantially related to an increase in lethal shark.

Sea otter. bites, raising concerns that the population had reached a plateau. However, the population increased markedly from 2015 to 2016, with the United States Geological Survey (USGS) California sea otter survey 3-year average reaching 3,272 in 2016, the first time it exceeded the threshold for delisting from the Endangered Species Act (ESA). If populations continued to grow and ESA delisting occurred, southern sea otters would still be fully protected by state regulations and the Marine Mammal Protection Act, which set higher thresholds for protection, at approximately 8,400 individuals. However, ESA delisting seems unlikely due to a precipitous population decline recorded in.

Sea otter. the spring 2017 USGS sea otter survey count, from the 2016 high of 3,615 individuals to 2,688, a loss of 25% of the California sea otter population.## Mexico.Historian Adele Ogden described sea otters are particularly abundant in "Lower California", now the Baja California Peninsula, where "seven bays...were main centers". The southernmost limit was Punta Morro Hermoso about 21+1/2 (mi) south of Punta Eugenia, in turn a headland at the southwestern end of Sebastián Vizcaíno Bay, on the west coast of the Baja Peninsula. Otter were also taken from San Benito Island, Cedros Island, and Isla Natividad in the Bay. By.

Sea otter. the early 1900s, Baja's sea otters were extirpated by hunting. In a 1997 survey, small numbers of sea otters, including pups, were reported by local fishermen, but scientists could not confirm these accounts. However, male and female otters have been confirmed by scientists off shores of the Baja Peninsula in a 2014 study, who hypothesize that otter dispersed there beginning in 2005. These sea otters may have dispersed from San Nicolas Island, which is 300 (km) away, as individuals have been recorded traversing distances of over 800 (km). Genetic analysis of most of these animals were consistent with California, i.e.

Sea otter. United States, otter origins, however one otter had a haplotype not previously reported, and could represent a remnant of the original native Mexican otter population.## Ecology.## Diet.High energetic requirements of sea otter metabolism require them to consume at least 20% of their body weight a day. Surface swimming and foraging are major factors in their high energy expenditure due to drag on the surface of the water when swimming and the thermal heat loss from the body during deep dives when foraging. Sea otter muscles are specially adapted to generate heat without physical activity.Sea otters consume over 100 prey species.

Sea otter. also eaten. In studies performed at Amchitka Island in the 1960s, where the sea otter population was at carrying capacity, 50% of food found in sea otter stomachs was fish. The fish species were usually bottom-dwelling and sedentary or sluggish forms, such as "Hemilepidotus hemilepidotus" and family Tetraodontidae. However, south of Alaska on the North American coast, fish are a negligible or extremely minor part of the sea otter's diet. Contrary to popular depictions, sea otters rarely eat starfish, and any kelp that is consumed apparently passes through the sea otter's system undigested.The individuals within a particular area often differ.

Sea otter. and not eat it. On land, young sea otters may face attack from bears and coyotes. In California, great white sharks are their primary predator but there is no evidence that the sharks eat them.Urban runoff transporting cat feces into the ocean brings "Toxoplasma gondii", an obligate parasite of felids, which has killed sea otters. Parasitic infections of "Sarcocystis neurona" are also associated with human activity. According to the U.S. Geological Survey and the CDC, northern sea otters off Washington have been infected with the H1N1 flu virus and "may be a newly identified animal host of influenza viruses".## Relationship.

Sea otter. with humans.## Fur trade.Sea otters have the thickest fur of any mammal, which makes them a common target for many hunters. Archaeological evidence indicates that for thousands of years, indigenous peoples have hunted sea otters for food and fur. Large-scale hunting, part of the Maritime Fur Trade, which would eventually kill approximately one million sea otters, began in the 18th century when hunters and traders began to arrive from all over the world to meet foreign demand for otter pelts, which were one of the world's most valuable types of fur.In the early 18th century, Russians began to hunt sea.

Sea otter. otters in the Kuril Islands and sold them to the Chinese at Kyakhta. Russia was also exploring the far northern Pacific at this time, and sent Vitus Bering to map the Arctic coast and find routes from Siberia to North America. In 1741, on his second North Pacific voyage, Bering was shipwrecked off Bering Island in the Commander Islands, where he and many of his crew died. The surviving crew members, which included naturalist Georg Steller, discovered sea otters on the beaches of the island and spent the winter hunting sea otters and gambling with otter pelts. They returned to.

Sea otter. Siberia, having killed nearly 1,000 sea otters, and were able to command high prices for the pelts. Thus began what is sometimes called the "Great Hunt", which would continue for another hundred years. The Russians found the sea otter far more valuable than the sable skins that had driven and paid for most of their expansion across Siberia. If the sea otter pelts brought back by Bering's survivors had been sold at Kyakhta prices they would have paid for one tenth the cost of Bering's expedition.Russian fur-hunting expeditions soon depleted the sea otter populations in the Commander Islands, and by.

Sea otter. 1745, they began to move on to the Aleutian Islands. The Russians initially traded with the Aleuts inhabitants of these islands for otter pelts, but later enslaved the Aleuts, taking women and children hostage and torturing and killing Aleut men to force them to hunt. Many Aleuts were either murdered by the Russians or died from diseases the hunters had introduced. The Aleut population was reduced, by the Russians' own estimate, from 20,000 to 2,000. By the 1760s, the Russians had reached Alaska. In 1799, Tsar Paul I consolidated the rival fur-hunting companies into the Russian-American Company, granting it an.

Sea otter. imperial charter and protection, and a monopoly over trade rights and territorial acquisition.Under Aleksander I, the administration of the merchant-controlled company was transferred to the Imperial Navy, largely due to the alarming reports by naval officers of native abuse; in 1818, the indigenous peoples of Alaska were granted civil rights equivalent to a townsman status in the Russian Empire.Other nations joined in the hunt in the south. Along the coasts of what is now Mexico and California, Spanish explorers bought sea otter pelts from Native Americans and sold them in Asia. In 1778, British explorer Captain James Cook reached Vancouver.

Sea otter. Island and bought sea otter furs from the First Nations people. When Cook's ship later stopped at a Chinese port, the pelts rapidly sold at high prices, and were soon known as "soft gold". As word spread, people from all over Europe and North America began to arrive in the Pacific Northwest to trade for sea otter furs.Russian hunting expanded to the south, initiated by American ship captains, who subcontracted Russian supervisors and Aleut hunters in what are now Washington, Oregon, and California. Between 1803 and 1846, 72 American ships were involved in the otter hunt in California, harvesting an.

Sea otter. estimated 40,000 skins and tails, compared to only 13 ships of the Russian-American Company, which reported 5,696 otter skins taken between 1806 and 1846. In 1812, the Russians founded an agricultural settlement at what is now Fort Ross in northern California, as their southern headquarters.Eventually, sea otter populations became so depleted, commercial hunting was no longer viable. It had stopped in the Aleutian Islands, by 1808, as a conservation measure imposed by the Russian-American Company. Further restrictions were ordered by the company in 1834. When Russia sold Alaska to the United States in 1867, the Alaska population had recovered to.

Sea otter. over 100,000, but Americans resumed hunting and quickly extirpated the sea otter again. Prices rose as the species became rare. During the 1880s, a pelt brought $105 to $165 in the London market, but by 1903, a pelt could be worth as much as $1,125. In 1911, Russia, Japan, Great Britain (for Canada) and the United States signed the Treaty for the Preservation and Protection of Fur Seals, imposing a moratorium on the harvesting of sea otters. So few remained, perhaps only 1,000–2,000 individuals in the wild, that many believed the species would become extinct.## Recovery and conservation.During the 20th.

Sea otter. Soviet Union in 1991; however, it has declined significantly with stricter law enforcement and better economic conditions.The most significant threat to sea otters is oil spills, to which they are particularly vulnerable, since they rely on their fur to keep warm. When their fur is soaked with oil, it loses its ability to retain air, and the animals can quickly die from hypothermia. The liver, kidneys, and lungs of sea otters also become damaged after they inhale oil or ingest it when grooming. The Exxon Valdez oil spill of 24 March 1989 killed thousands of sea otters in Prince William.

Sea otter. an oil spill wiping out a population. However, because of the species' reputation for depleting shellfish resources, advocates for commercial, recreational, and subsistence shellfish harvesting have often opposed allowing the sea otter's range to increase, and there have even been instances of fishermen and others illegally killing them.In the Aleutian Islands, a massive and unexpected disappearance of sea otters has occurred in recent decades. In the 1980s, the area was home to an estimated 55,000 to 100,000 sea otters, but the population fell to around 6,000 animals by 2000. The most widely accepted, but still controversial, hypothesis is that killer.

Sea otter. whales have been eating the otters. The pattern of disappearances is consistent with a rise in predation, but there has been no direct evidence of orcas preying on sea otters to any significant extent.Another area of concern is California, where recovery began to fluctuate or decline in the late 1990s. Unusually high mortality rates amongst adult and subadult otters, particularly females, have been reported. In 2017 the US Geological Survey found a 3% drop in the sea otter population of the California coast. This number still keeps them on track for removal from the endangered species list, although just barely.

Sea otter. States, Russia and Canada. In marine protected areas, polluting activities such as dumping of waste and oil drilling are typically prohibited. An estimated 1,200 sea otters live within the Monterey Bay National Marine Sanctuary, and more than 500 live within the Olympic Coast National Marine Sanctuary.## Economic impact.Some of the sea otter's preferred prey species, particularly abalone, clams, and crabs, are also food sources for humans. In some areas, massive declines in shellfish harvests have been blamed on the sea otter, and intense public debate has taken place over how to manage the competition between sea otters and humans for.

Sea otter. greatly depleted, no longer rely as intimately on sea mammals for survival.Since the mid-1970s, the beauty and charisma of the species have gained wide appreciation, and the sea otter has become an icon of environmental conservation. The round, expressive face and soft, furry body of the sea otter are depicted in a wide variety of souvenirs, postcards, clothing, and stuffed toys.## Aquariums and zoos.Sea otters can do well in captivity, and are featured in over 40 public aquariums and zoos. The Seattle Aquarium became the first institution to raise sea otters from conception to adulthood with the birth of Tichuk.

Sea otter. in 1979, followed by three more pups in the early 1980s. In 2007, a YouTube video of two sea otters holding paws drew 1.5 million viewers in two weeks, and had over 22 million views . Filmed five years previously at the Vancouver Aquarium, it was YouTube's most popular animal video at the time, although it has since been surpassed. The lighter-colored otter in the video is Nyac, a survivor of the 1989 "Exxon Valdez" oil spill. Nyac died in September 2008, at the age of 20. Milo, the darker one, died of lymphoma in January 2012. California Fur Rush.

Sea otter. "Enhydra lutris" (Linnaeus, 1758) at the Integrated Taxonomic Information System "Enhydra lutris" (Linnaeus, 1758) at the World Register of Marine Species "De Bestiis Marinis, or, The Beasts of the Sea" (1751) (PDF), pp. 68–82, transcribed field notes from 18th-century German zoologist Georg Wilhelm Steller Precipice of Survival: The Southern Sea Otter (Adobe Flash), a 48-minute program on the southern sea otter's history by the United States Geological Survey.


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

Instruction: You have to find a Wikipedia segment that answers the question about the displayed image.

Pieterskerk, Leiden. The Pieterskerk is a late-Gothic Dutch Protestant church in Leiden dedicated to Saint Peter. It is known today as the church of the Pilgrim Fathers, where the pastor John Robinson was buried. It is also the burial place of the scientist Willebrord Snellius.## History.In around 1100 the site held the county chapel of the counts of Holland, rebuilt in 1121. The present building took approximately 180 years to build, starting in 1390. Famous Leiden dignitaries are buried there, including the painter Jan Steen and the Leiden professor Herman Boerhaave. The beautiful stained-glass windows already took a terrible blow during the.

Pieterskerk, Leiden. Beeldenstorm, but were completely destroyed a couple of centuries later, in the gunpowder explosion of 12 January 1807. The windows were boarded up, and it wasn't until 1880 that a large-scale restoration took place.The "Pieterskerk" used to have a church tower, the "Westtoren" (west tower) from 1290 on. It was nicknamed "Coningh der Zee" (king of the sea), and was completed in stages, eventually reaching 110 metres (including the 35-metre-tall wooden spire). It collapsed in the night of 5 March 1512. The tower was not restored and the church remains towerless.Not only the stained glass windows were vandalised during the.

Pieterskerk, Leiden. Beeldenstorm, many other beautiful statues and paintings were made victim of the Reformation. The internationally renowned painting Het Laatste Oordeel by Lucas van Leyden was barely saved by mayor Van Swanenburg.On 7 July 1572 the church was closed for services. It reopened on 5 October of the same year for the first Protestant service. After this date the building of the church can be considered completed. In following centuries small homes were built against the sides of the church. They are still there today. The building was deconsecrated in 1971 and since 1975 has been managed by a foundation and.

Pieterskerk, Leiden. rented for a wide variety of events. Since 2001, with 50% government funding, a long-term restoration project started that ran until 2010. Discoveries made during this and earlier restorations were put on permanent display in the church. A mummy is also on display, that the foundation has chosen not to subject to scientific scrutiny. Though the windows have been lost, the various grave monuments by prominent Leiden sculptors can still be seen. The building is open to the public.In 2007 there was a famous concert by the choral group "Libera.## Burials.Before 1811 many prominent people were buried in the Pieterskerk,.

Pieterskerk, Leiden. such as the Dutch theologian Jacobus Arminius (known for Arminianism), Herman Boerhaave, Jan Steen, the botanist Rembert Dodoens, Johannes de Laet, and John Robinson, pastor of the "Pilgrim Fathers".For a listing, see the category . Church website.


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

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Nidzica Castle. Neidenburg is a 14th-century castle located in Nidzica, Poland.The construction of the castle was begun around 1370. The Pfleger of the Teutonic Knights made it his residence in 1409. On 12t July 1410, the undefended castle was captured by the Polish forces on their way into the interior of the State of the Teutonic Order. At the time of the Hunger War of 1414 the castle was put under siege by the Polish knights and taken after eight days on the 6th of July. In 1454 the castle was occupied by the Prussian Union and in February 1455 was taken.

Nidzica Castle. by the Czech army led by Jan Kolda ze Zampachu, who had repulsed an attack an by the forces of the Teutonic Knights on 28 April. In 1517 the inner ward was built up and reinforced. In 1784 a fire consumed the inner ward. In 1812 the castle was devastated by French forces. The castle was rebuilt from 1828 to 1830 into a court and a prison. The Soviet army bombarded the castle in 1945 and it remained in ruins until its rebuilding in 1961–1965. The Soviets ceded the area to Poland and the German name was changed to Nidzica.

Nidzica Castle. Castles in PolandThe castle in Nidzica.


Question: What is this plant named after?

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Hickory. Hickory is a common name for trees composing the genus Carya, which includes around 18 species. Five or six species are native to China, Indochina, and India (Assam), as many as twelve are native to the United States, four are found in Mexico, and two to four are native to Canada. A number of hickory species are used for products like edible nuts or wood.Hickories are temperate forest trees with pinnately compound leaves and large nuts. Hickory flowers are small, yellow-green catkins produced in spring. They are wind-pollinated and self-incompatible. The fruit is a globose or oval nut, 2 –.

Hickory. name "Carya" is , "káryon", meaning "nut".## Species and classification.The genus "Carya" is in the walnut family, Juglandaceae. In the APG system, this family is included in the order Fagales. Several species are known to hybridize, with around nine accepted, named hybrids. Beaked hickory ("Annamocarya sinensis") is a species formerly classified as "Carya sinensis", but now considered its own genus, "Annamocarya".## Asian hickories.Carya" sect. "Sinocarya"Carya dabieshanensis" – Dabie Shan hickory (may be synonymous with "C. cathayensis")"Carya cathayensis" – Chinese hickory"Carya hunanensis" – Hunan hickory"Carya kweichowensis" – Guizhou hickory"Carya poilanei" – Poilane's hickory"Carya tonkinensis" – Vietnamese hickory## North American hickories.Carya" sect.

Hickory. "Carya – typical hickories"Carya floridana" – scrub hickory"Carya glabra" – pignut hickory, pignut, sweet pignut, coast pignut hickory, smoothbark hickory, swamp hickory, broom hickory"Carya laciniosa" – shellbark hickory, shagbark hickory, bigleaf shagbark hickory, kingnut, big shellbark, bottom shellbark, thick shellbark, western shellbark"Carya myristiciformis" – nutmeg hickory, swamp hickory, bitter water hickory"Carya ovalis" – red hickory, spicebark hickory, sweet pignut hickory (treated as a synonym of "C. glabra" by "Flora N. Amer.")"Carya ovata" – shagbark hickory"C. o." var. "ovata" – northern shagbark hickory"C. o." var. "australis" – southern shagbark hickory, Carolina hickory (syn. "C. carolinae-septentrionalis")"Carya pallida" – sand hickory"Carya texana" –.

Hickory. black hickory"Carya tomentosa" – mockernut hickory (syn. "C. alba")†"Carya washingtonensis" – Miocene of Kittitas County, WashingtonCarya" sect. "Apocarya – pecans"Carya aquatica" – bitter pecan or water hickory"Carya cordiformis" – bitternut hickory"Carya illinoinensis" – pecan"Carya palmeri" – Mexican hickory## Ecology.Hickory is used as a food plant by the larvae of some Lepidoptera species. These include: Luna moth ("Actias luna") Brown-tail moth ("Euproctis chrysorrhoea") "Coleophora" case-bearers, "C. laticornella" and "C. ostryae" Regal moths ("Citheronia regalis"), whose caterpillars are known as hickory horn-devils Walnut sphinx ("Amorpha juglandis") The bride (nominate subspecies "Catocala neogama neogama") Hickory tussock moth ("Lophocampa caryae")The hickory leaf stem gall.

Hickory. also found feeding on galls of the hickory leaf stem gall phylloxera.The banded hickory borer ("Knulliana cincta") is also found on hickories.## Evolutionary history.The oldest fossils attributed to "Carya" are Cretaceous pollen grains from Mexico and New Mexico. Fossil and molecular data suggest the genus "Carya" may have diversified during the Miocene. Modern "Carya" first appear in Oligocene strata 34 million years ago. Recent discoveries of "Carya" fruit fossils further support the hypothesis that the genus has long been a member of Eastern North American landscapes, however its range has contracted and Carya is no longer extant west of the.

Hickory. Rocky Mountains.Fossils of early hickory nuts show simpler, thinner shells than modern species with the exception of pecans, suggesting that the trees gradually developed defenses to rodent seed predation. During this time, the genus had a distribution across the Northern Hemisphere, but the Pleistocene Ice Age beginning 2 million years ago obliterated it from Europe. The distribution of Carya in North America also contracted and it completely disappeared from the continent west of the Rocky Mountains. Since fossil records show North America as having the largest number of Juglandaceae species, it is likely that the genus originated there and later.

Hickory. spread to Europe and Asia.## Fruit.Some fruits are borderline and difficult to categorize. Hickory nuts ("Carya") and walnuts ("Juglans") in the Juglandaceae family grow within an outer husk; these fruits are sometimes considered to be drupes or drupaceous nuts, rather than true botanical nuts. "Tryma" is a specialized term for such nut-like drupes.## Nutrition.Dried hickory nuts are 3% water, 18% carbohydrates, 13% protein, and 64% fats (table). In a 100 gram (3.5 oz) reference amount, dried hickory nuts supply 657 calories, and are a rich source (20% or more of the Daily Value, DV) of several B vitamins and dietary.

Hickory. regarded by some as the finest nut trees. Pecans are the most important nut tree native to North America.When cultivated for their nuts, clonal (grafted) trees of the same cultivar cannot pollinate each other because of their self-incompatibility. Two or more cultivars must be planted together for successful pollination. Seedlings (grown from hickory nuts) will usually have sufficient genetic variation. Hican WalnutPhilips, Roger. "Trees of North America and Europe". Random House, Inc., New York. , 1979. "Carya" images at the Arnold Arboretum of Harvard University Plant Image Database Damery, Jonathan. "The "Carya" Collection." "Arnold Arboretum of Harvard University website." Accessed.


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Hammershus. Hammershus is a medieval era fortification at Hammeren on the northern tip of the Danish island of Bornholm.The fortress was partially demolished around 1750 and is now a ruin. It was partially restored around 1900.## History.Hammershus was Scandinavia's largest medieval fortification and is one of the largest medieval fortifications in Northern Europe. It is situated in the Baltic Sea 74 (m) above sea level. The fortification was erected in the 13th century and consists of the base castle residence and features a grand tower called the "mantel" tower. Hammershus Fortress features a 750 (m) perimeter wall around the castle grounds.During.


Question: What is the name of the vessel involved in this event?

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Kon-Tiki expedition. The "Kon-Tiki" expedition was a 1947 journey by raft across the Pacific Ocean from South America to the Polynesian islands, led by Norwegian explorer and writer Thor Heyerdahl. The raft was named "Kon-Tiki" after the Inca god Viracocha, for whom "Kon-Tiki" was said to be an old name. "" is also the name of Heyerdahl's book, the Academy Award–winning 1950 documentary film chronicling his adventures, and the 2012 dramatized feature film nominated for the Academy Award for Best Foreign Language Film.Heyerdahl believed that people from South America could have reached Polynesia during pre-Columbian times. His aim in mounting the "Kon-Tiki.

Kon-Tiki expedition. expedition was to show, by using only the materials and technologies available to those people at the time, that there were no technical reasons to prevent them from having done so. Although the expedition carried some modern equipment, such as a radio, watches, charts, sextant, and metal knives, Heyerdahl argued they were incidental to the purpose of proving that the raft itself could make the journey. This idea has recently received support from statistical analysis of genetic evidence of contact between South America and Polynesia.Heyerdahl's full hypothesis of a South American origin of the Polynesian peoples is generally rejected by.

Kon-Tiki expedition. scientists today. Most archaeological, linguistic, cultural, and genetic evidence tends to support a western origin for Polynesians, from Island Southeast Asia, using sophisticated multihull sailing technologies and navigation techniques during the Austronesian expansion. However, there is evidence of some gene flow from South America to Easter Island. In 2020 some researchers published research confirming a wider impact on genetic and cultural elements in Polynesia due to South American contacts. The "Kon-Tiki" expedition was funded by private loans, along with donations of equipment from the United States Army. Heyerdahl and a small team went to Peru, where, with the help of.

Kon-Tiki expedition. dockyard facilities provided by the Peruvian authorities, they constructed the raft out of balsa logs and other native materials in an indigenous style as recorded in illustrations by Spanish conquistadores. The trip began on April 28, 1947. Heyerdahl and five companions sailed the raft for 101 days over 6,900 km (4,300 miles) across the Pacific Ocean before smashing into a reef at Raroia in the Tuamotus on August 7, 1947. The crew made successful landfall and all returned safely.Thor Heyerdahl's book about his experience became a bestseller. It was published in Norwegian in 1948 as "The Kon-Tiki Expedition: By Raft.

Kon-Tiki expedition. Across the South Seas", later reprinted as "Kon-Tiki: Across the Pacific in a Raft". It appeared with great success in English in 1950, also in many other languages. A documentary motion picture about the expedition, also called "Kon-Tiki", was produced from a write-up and expansion of the crew's filmstrip notes and won an Academy Award in 1951. It was directed by Heyerdahl and edited by Olle Nordemar. The voyage was also chronicled in the documentary TV-series "The Kon-Tiki Man: The Life and Adventures of Thor Heyerdahl", directed by Bengt Jonson.The original "Kon-Tiki" raft is now on display in the Kon-Tiki.

Kon-Tiki expedition. Museum at Bygdøy in Oslo.## Crew."Kon-Tiki" had a six-man crew, all of whom were Norwegian except for Bengt Danielsson, a Swede. Thor Heyerdahl (1914–2002) was the expedition leader. He was also the author of the book of the expedition and the narrator of the story. Heyerdahl had studied the ancient people of South America and Polynesia and believed that there was a link between the two. Erik Hesselberg (1914–1972) was the navigator and artist. He painted the large Kon-Tiki figure on the raft's sail. His children's book "Kon-Tiki and I" appeared in Norwegian in 1949 and has since been published.

Kon-Tiki expedition. in more than 15 languages. Bengt Danielsson (1921–1997) took on the role of steward, in charge of supplies and daily rations. Danielsson was a Swedish sociologist interested in human migration theory. He also served as translator, as he was the only member of the crew who spoke Spanish. He was also a voracious reader; his box aboard the raft contained many books. Knut Haugland (1917–2009) was a radio expert, decorated by the British in World War II for actions in the Norwegian heavy water sabotage that stalled what were believed to be Germany's plans to develop an atomic bomb. Haugland.

Kon-Tiki expedition. was the last surviving crew member; he died on Christmas Day, 2009 at the age of 92. Torstein Raaby (1918–1964) was also in charge of radio transmissions. He gained radio experience while hiding behind German lines during WWII, spying on the German battleship "Tirpitz". His secret radio transmissions eventually helped guide in Allied bombers to sink the ship. Herman Watzinger (1910–1986) was an engineer whose area of expertise was in technical measurements. He was the first to join Heyerdahl for the trip. He collected and recorded all sorts of data on the voyage. Much of what he recorded, such as.

Kon-Tiki expedition. weather data, was sent back to various people, since this area of the ocean was largely unstudied.The expedition also carried a pet parrot named Lorita.## Construction.The main body of the float was composed of nine balsa tree trunks up to 45 (ft) long, 2 (ft) in diameter, lashed together with 1+1/4 (in) hemp ropes. Cross-pieces of balsa logs 18 (ft) long and 1 (ft) in diameter were lashed across the logs at 3 (ft) intervals to give lateral support. Pine splashboards clad the bow, and lengths of pine 1 (in) thick and 2 (ft) wide were wedged between the balsa.

Kon-Tiki expedition. logs and used as centreboards.The main mast was made of lengths of mangrove wood lashed together to form an A-frame 29 (ft) high. Behind the main-mast was a cabin of plaited bamboo 14 (ft) long and 8 (ft) wide, about 4 - 5 (ft) high and roofed with banana leaf thatch. At the stern was a 19 (ft) long steering oar of mangrove wood, with a blade of fir. The main sail was 15 by 18 (ft) on a yard of bamboo stems lashed together. Photographs also show a top-sail above the main sail, and also a mizzen-sail, mounted at.

Kon-Tiki expedition. the stern.The raft was partially decked in split bamboo. The main spars were a laminate of wood and reeds and Heyerdahl tested more than twenty different composites before settling on one that proved an effective compromise between bulk and torsional rigidity. No metal was used in the construction.## Supplies."Kon-Tiki" carried 275 (USgal) of drinking water in 56 water cans, as well as a number of sealed bamboo rods. The purpose stated by Heyerdahl for carrying modern and ancient containers was to test the effectiveness of ancient water storage. For food "Kon-Tiki" carried 200 coconuts, sweet potatoes, bottle gourds and other.

Kon-Tiki expedition. assorted fruit and roots. The U.S. Army Quartermaster Corps provided field rations, tinned food and survival equipment. In return, the "Kon-Tiki" explorers reported on the quality and utility of the provisions. They also caught plentiful numbers of fish, particularly flying fish, "dolphin fish", yellowfin tuna, bonito and shark.Heyerdahl and crew were equipped with water-tight sports wristwatches manufactured by Swiss watchmaking firm Eterna. After the journey, Eterna decided to brand their sports watches as "Kon-Tiki".## Communications.The expedition carried an amateur radio station with the call sign of LI2B operated by former World War II Norwegian resistance radio operators Knut Haugland and.

Kon-Tiki expedition. Torstein Raaby. Haugland and Raaby maintained regular communication with a number of American, Canadian, and South American stations that relayed "Kon Tiki's" status to the Norwegian Embassy in Washington, D.C. On August 5, Haugland made contact with a station in Oslo, Norway, 10000 (mi) away."Kon Tiki's" transmitters were powered by batteries and a hand-cranked generator and operated on the 40, 20, 10, and 6-meter bands. Each unit was water resistant, used 2E30 vacuum tubes, and provided approximately 6 watts of RF output; the equivalent of a small flashlight. Two British 3-16 MHz Mark II transmitters were also carried on board,.

Kon-Tiki expedition. as was a VHF transmitter for communicating with aircraft and a hand-cranked survival radio of the Gibson Girl type for 500 and 8280 kHz.The radio receiver used throughout the voyage, a National Radio Company NC-173, once required a thorough drying out after being soaked when landing in Raratonga. The crew once used a hand-cranked emergency transmitter to send out an "all well, all well" message "just in time to head off a massive rescue attempt".The call sign LI2B was used by Heyerdahl again in 1969–70, when he built a papyrus reed raft and sailed from Morocco to Barbados in an.

Kon-Tiki expedition. attempt to show a possible link between the civilization of ancient Egypt and the New World.## The voyage."Kon-Tiki" left Callao, Peru, on the afternoon of April 28, 1947. To avoid coastal traffic it was initially towed 50 (mi) out by the Peruvian Navy fleet tug "Guardian Rios", then sailed roughly west carried along on the Humboldt Current.On 2 July Heyerdahl writes about an encounter with a rogue wave; in his book he describes a "Three Sister" phenomenon: "During a night-shift with quiet seas appears an 'abnormal huge wave' followed by two more waves. The raft is being swept up and.

Kon-Tiki expedition. down and is covered in water." After the three waves he describes the sea as quiet as before.The crew's first sight of land was the atoll of Puka-Puka on July 30. On August 4, the 97th day after departure, "Kon-Tiki" reached the Angatau atoll. The crew made brief contact with the inhabitants of Angatau Island, but were unable to land safely. Calculations made by Heyerdahl before the trip had indicated that 97 days was the minimum amount of time required to reach the Tuamotus, so the encounter with Angatau showed that they had made good time.On August 7, the voyage.

Kon-Tiki expedition. ended when the raft struck a reef and was then beached on an uninhabited islet off Raroia atoll in the Tuamotus. The team had travelled a distance of around 6980 (km) in 101 days, at an average speed of 1.5 (kn).After spending a number of days alone on the islet, the crew was greeted by men from a village on a nearby island who arrived in canoes, having seen washed-up flotsam from the raft. The crew were taken back to the native village, where they were feted with traditional dances and other festivities. Finally the crew were taken off Raroia.

Kon-Tiki expedition. to Tahiti by the French schooner "Tamara", with the salvaged "Kon-Tiki" in tow.## Anthropology.The basis of the "Kon-Tiki" expedition was pseudoscientific, racially controversial, and has not gained acceptance among scientists (even prior to the voyage). Heyerdahl believed that the original inhabitants of Easter Island (and the rest of Polynesia) were the "Tiki people", a race of "white bearded men" who supposedly originally sailed from Peru. He described these "Tiki people" as being a sun-worshipping fair-skinned people with blue eyes, fair or red hair, tall statures, and beards. He further said that these people were originally from the Middle East, and.

Kon-Tiki expedition. had crossed the Atlantic earlier to found the great Mesoamerican civilizations. By 500 CE, a branch of these people were supposedly forced out into Tiahuanaco where they became the ruling class of the Inca Empire and set out to voyage into the Pacific Ocean under the leadership of "Con Ticci Viracocha".He argued that the monumental statues known as moai resembled sculptures more typical of pre-Columbian Peru than any Polynesian designs. He believed that the Easter Island myth of a power struggle between two peoples called the Hanau epe and Hanau momoko was a memory of conflicts between the original inhabitants.

Kon-Tiki expedition. of the island and a later wave of Native Americans from the Northwest coast, eventually leading to the annihilation of the Hanau epe and the destruction of the island's culture and once-prosperous economy. Heyerdahl described these later migrants as "Maori-Polynesians" who were supposedly Asians who crossed over the Bering land bridge into Northwest America before sailing westward towards Polynesia (the westward direction is because he refused to accept that Polynesians were capable of sailing against winds and currents). He associated them with the Tlingit and Haida peoples and characterized them as "inferior" to the Tiki people.Heyerdahl's hypothesis was part of.

Kon-Tiki expedition. early Eurocentric hyperdiffusionism and the westerner disbelief that (non-white) "stone-age" peoples with "no math" could colonize islands separated by vast distances of ocean water, even against prevailing winds and currents. He rejected the highly skilled voyaging and navigating traditions of the Austronesian peoples and instead argued that Polynesia was settled from boats following the wind and currents for navigation from South America. As such, the "Kon-Tiki" was deliberately a primitive raft and unsteerable, in contrast to the sophisticated outrigger canoes and catamarans of the Austronesian people.Heyerdahl's hypothesis of Polynesian origins is overwhelmingly rejected by scientists today. Archaeological, linguistic, cultural, and.

Kon-Tiki expedition. genetic evidence all support a western origin (from Island Southeast Asia) for Polynesians via the Austronesian expansion. "Drift voyaging" from South America was also deemed "extremely unlikely" in 1973 by computer modeling, although is in contrast with recent genetic analysis. The 1976 voyage of the "Hōkūleʻa", a performance-accurate replica of a Polynesian double-hulled "wa'a kaulua" voyaging canoe, from Hawaiʻi to Tahiti was partly a demonstration to prove that Heyerdahl was wrong. The "Hōkūleʻa" sailed against prevailing winds and exclusively used wayfinding and celestial Polynesian navigation techniques (unlike the modern equipment and charts of the "Kon-Tiki"). "Hōkūleʻa" also remains fully operational,.

Kon-Tiki expedition. and has since completed ten other voyages, including a three-year circumnavigation of the planet from 2014 to 2017, with other sister ships.Historians today consider that the Polynesians from the west were the original inhabitants and that the story of the Hanau epe is either pure myth, or a memory of internal tribal or class conflicts. In 2011, Erik Thorsby of the University of Oslo presented DNA evidence to the Royal Society which, whilst agreeing with the west origin, also identified a distinctive but smaller genetic contribution from South America. This result was questioned in 2012 because of the possibility of.

Kon-Tiki expedition. contamination by South Americans after European contact with the islands. In 2014, further work by a team including Anna-Sapfo Malaspinas (from the Natural History Museum of Denmark) analysed the genomes of 27 native Rapa Nui people and found that their DNA was on average 76 percent Polynesian, 8 percent Native American and 16 percent European. Analysis showed that "although the European lineage could be explained by contact with white Europeans after the island was 'discovered' in 1722 by Dutch sailors, the South American component was much older, dating to between about 1280 and 1495, soon after the island was first.

Kon-Tiki expedition. colonised by Polynesians in around 1200." Genetic analysis of Polynesians and Native South Americans, published in "Nature" in July 2020, has revealed that several eastern Polynesian populations have signs of an ancient genetic signature that originated from Native South American people. An initial admixture event between Native South Americans and Polynesians, discovered by statistical analysis, took place around 1150–1230 CE.## Later recreations of "Kon-Tiki".## "Seven Little Sisters".In 1954, William Willis sailed alone on a raft "Seven Little Sisters" from Peru to American Samoa, successfully completing the journey. He sailed 6,700 (mi), which was 2,200 (mi) farther than "Kon-Tiki". In a.

Kon-Tiki expedition. second great voyage ten years later, he rafted 7457 (mi) from South America to Australia with a metal raft "Age Unlimited".## "Kantuta".In 1955, the Czech explorer and adventurer Eduard Ingris attempted to recreate the "Kon-Tiki" expedition on a balsa raft called "Kantuta". His first expedition, "Kantuta I", took place in 1955–1956 and led to failure. In 1959, Ingris built a new balsa raft, "Kantuta II", and tried to repeat the previous expedition. The second expedition was a success. Ingris was able to cross the Pacific Ocean on the balsa raft from Peru to Polynesia.## "Tahiti-Nui".A French seafarer, Éric de Bisschop,.

Kon-Tiki expedition. committed himself in a project he had had for some years: he built a Polynesian raft in order to cross the eastern Pacific Ocean from Tahiti to Chile (contrary to Thor Heyerdahl's crossing); the "Tahiti-Nui" left Papeete with a crew of five on November 8, 1956. When near the Juan Fernández Islands (Chile) in May 1957, the raft was in a very poor state and they asked for a towing, but it was damaged during the operation and had to be abandoned, but they were able to preserve all the equipment that had been aboard.## "Tahiti-Nui II".A second "Tahiti-Nui" was.

Kon-Tiki expedition. built in Constitución, Chile, leaving on April 13, 1958, towards Callao, then towards the Marquesas. It missed its target and after four months, the raft began to sink. The crew built a new smaller raft, the "Tahiti Nui III", in the ocean out of the more buoyant parts of the "Tahiti Nui II". They were swept towards Cook Islands where on August 30, the raft went aground and was wrecked at Rakahanga atoll. Éric de Bisschop died in this accident.## "Tangaroa" (1965).A Peruvian expedition led by Carlos Caravedo crossed the Pacific Ocean in 1965 in 115 days in a raft.

Kon-Tiki expedition. named "Tangaroa", of which 18 days were used by the crew to cross Tuamotus, the Tuamotu Archipielago, making "Tangaroa" the only raft that has managed to cross that dangerous archipelago of French Polynesia by its own means. On November 18, 1965, the "Tangaroa" ended its journey on the Fakarava island. Fakarava is where the "Tangaroa" is currently preserved.## Las Balsas.The 1973 Las Balsas expedition was the first (and so far only) multiple-raft crossing of the Pacific Ocean in recent history. It is the longest-known raft voyage in history. The expedition was led by Spaniard Vital Alsar, who, in 1970, led.

Kon-Tiki expedition. the La Balsa expedition, only on that occasion with one raft and three companions. The crossing was successful and, at the time, the longest raft voyage in history, until eclipsed in 1973 by Las Balsas. The purpose of the 1973 expedition was three-fold: (1) to prove that the success of 1970 was no accident, (2) to test different currents in the sea, which Alsar maintained ancient mariners knew as modern humans know road maps, and (3) to show that the original expeditions, directed perhaps toward trade or colonisation, may have consisted of small fleets of balsa rafts.## "Tangaroa" (2006).In 2006,.

Kon-Tiki expedition. the Tangaroa Expedition recreated the "Kon-Tiki" voyage using a newly built raft, the "Tangaroa", named after the Māori sea-god Tangaroa. Tangaroa's six-man crew was led by Norwegian Torgeir Higraff and included Olav Heyerdahl, grandson of Thor Heyerdahl, Bjarne Krekvik (captain), Øyvin Lauten (executive officer), Swedish Anders Berg (photographer) and Peruvian Roberto Sala. "Tangaroa" was launched on the same day that "Kon-Tiki" had been—April 28—and it reached its destination on July 7, which was 30 days faster than Heyerdahl's Kon-Tiki which had taken 101 days for the voyage. Tangaroa's speed was credited to the proper use of guaras (centerboards).## "An-Tiki".On January.

Kon-Tiki expedition. 30, 2011, "An-Tiki", a raft modeled after "Kon-Tiki", began a 3000 (mi), 70-day journey across the Atlantic Ocean from the Canary Islands to the island of Eleuthera in the Bahamas. The expedition was piloted by four men, aged from 56 to 84 years, led by Anthony Smith. The trip was designed to commemorate the journey in an open boat of survivors from the British steamship "Anglo-Saxon", sunk by the German cruiser "Widder" in 1940. The raft ended its voyage in the Caribbean island of St Maarten, completing its trip to Eleuthera in the following year with Smith and a new.

Kon-Tiki expedition. crew.## "Kon-Tiki2".On 7 November 2015, two teams with two balsa rafts "Rahiti Tane" and "Tupac Yupanqui" left Lima, Peru for Easter Island. Expedition "Kon-Tiki2" got its name because it had 2 crews from many nations: Norway, Russia, UK, Mexico, New Zealand, Sweden, and Peru. It sought to double down on Heyerdahl's voyage by sailing two rafts from South America to Polynesia and then back. Expedition leader was Torgeir Higraff from Tangaroa Expedition (2006). Øyvin Lauten and Kari Skår Dahl were captains on the first leg, while Signe Meling and Ola Borgfjord were captains on the second leg. The raft reached.

Kon-Tiki expedition. Easter Island, but did not complete the return.The two rafts were made of 11 balsa logs and 10 crossbeams held together by 2000 meters (1¼ miles) of natural fiber ropes. Tens of thousands of waves, up to six meters (20') tall, hit the rafts in an El Niño year. This stress for 16 weeks weakened the ropes, but the crew could not replace all of them. On March 3, 2016, all crew members were taken on board the Hokuetsu Ushaka freight ship after 115 days of sailing and 4½ months at sea.## Documentation.## Memoir book.A book documenting the voyage and.

Kon-Tiki expedition. raft was released in 1948 by Thor Heyerdahl, called "".## Documentary film.A film documentary about the voyage and raft was released in 1950, called "Kon-Tiki". It won the 1951 Oscar for Best Documentary Feature.## In popular culture."Kon-Tiki" is a 2012 Norwegian historical dramatized feature film about the 1947 "Kon-Tiki" expedition. It starred Pål Sverre Valheim Hagen as Thor Heyerdahl and was directed by Joachim Rønning and Espen Sandberg. It was the highest-grossing film of 2012 in Norway and the country's most expensive production to date.Episode 5 of the tenth season of HBO's "Curb Your Enthusiasm" features Clive Owen as himself.

Kon-Tiki expedition. in a one-man play entitled "Kon Tiki".Episode 2 of the second season of Apple TV+'s "For All Mankind" mentions a Space Shuttle named Kon-Tiki. Experimental archaeology Polynesian navigation Pre-Columbian transoceanic contact theories Pre-Columbian rafts Chincha culture Hyperdiffusionism Tupac Inca Yupanqui Atlantis Expedition Heyerdahl, Thor; Lyon, F.H. (translator) (1950). "Kon-Tiki: Across the Pacific by Raft". Rand McNally & Company, Chicago, Ill. Hesselberg, Erik (1950). "Kon-Tiki and I : illustrations with text, begun on the Pacific on board the raft "Kon-Tiki" and completed at "Solbakken" in Borre." Allen & Unwin Andersson, Axel (2010) "A Hero for the Atomic Age: Thor Heyerdahl and.

Kon-Tiki expedition. the Kon-Tiki Expedition" (Peter Lang) "Kon-Tiki" Museum National NC-173 receiver Quick Facts: Comparing the Two Rafts: Kon-Tiki and Tangaroa "Azerbaijan International", Vol 14:4 (Winter 2006) Testing Heyerdahl's Theories about Kon-Tiki 60 Years Later: Tangaroa Pacific Voyage (Summer 2006) "Azerbaijan International", Vol 14:4 (Winter 2006) Kon-Tiki in Reverse: The Tahiti-Nui Expedition TV2Sumo WebTV programme "Ekspedisjonen Tangaroa" (Tangaroa Expedition) – Norsk Acali 1973 – expedition by raft across Atlantic Librarything, 2007 Hsu-Fu 1993 – bamboo raft across Pacific (west to east) personal.psu.edu "Kon-Tiki" 1947 Documentary.


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

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Great crested flycatcher. The great crested flycatcher ("Myiarchus crinitus") is a large insect-eating bird of the tyrant flycatcher family. It is the most widespread member of the genus "Myiarchus" in North America, and is found over most of the eastern and mid-western portions of the continent. It dwells mostly in the treetops and rarely is found on the ground.## Description.Adult great crested flycatchers usually measure between 17 - 21 (cm) in length with a wingspan of around 34 (cm). This bird usually weighs between 27 - 40 (g).The great crested flycatcher does not display sexual dimorphism. All adults are brownish on the upperparts.

Great crested flycatcher. of vegetation and plant fibers, such as grasses, moss, leaves, but also pieces of animal fur and feathers, pieces of shed snakeskin, and artificial materials (ex: strings, tape, cloth, and plastic objects). The inner diameter ranges from 7–9 cm.Great crested flycatchers lay a single clutch of 4-8 eggs, which are incubated on average for two weeks by the female only. After hatching, nestlings will typically spend another two weeks in the nest before fledging. During this time, nestlings are fed an insect dominated diet by both parents, although females will make more frequent visits. Great crested flycatcher - "Myiarchus crinitus.


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

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Yak. The domestic yak (Bos grunniens), also known as the Tartary ox, grunting ox or hairy cattle, is a species of long-haired domesticated cattle found throughout the Himalayan region of the Indian subcontinent, the Tibetan Plateau, Northern Myanmar, Yunnan, Sichuan Gilgit-Baltistan Pakistan and as far north as Mongolia and Siberia. It is descended from the wild yak ("Bos mutus").## Etymology.The English word "yak" originates from the . In Tibetan and Balti it refers only to the male of the species, the female being called , or in Tibetan and in Balti. In English, as in most other languages that have borrowed.

Yak. the word, "yak" is usually used for both sexes, with "bull" or "cow" referring to each sex separately.## Taxonomy.Belonging to the genus "Bos", Yaks are related to cattle ("Bos primigenius"). Mitochondrial DNA analyses to determine the evolutionary history of yaks have been inconclusive.The yak may have diverged from cattle at any point between one and five million years ago, and there is some suggestion that it may be more closely related to bison than to the other members of its designated genus. Apparent close fossil relatives of the yak, such as "Bos baikalensis", have been found in eastern Russia, suggesting.

Yak. a possible route by which yak-like ancestors of the modern American bison could have entered the Americas.The species was originally designated as "Bos grunniens" ("grunting ox") by Linnaeus in 1766, but this name is now generally considered to refer only to the domesticated form of the animal, with "Bos mutus" ("mute ox") being the preferred name for the wild species. Although some authors still consider the wild yak to be a subspecies, "Bos grunniens mutus", the ICZN made an official ruling in 2003 permitting the use of the name "Bos mutus" for wild yaks, and this is now the more.

Yak. common usage.Except where the wild yak is considered as a subspecies of "Bos grunniens", there are no recognised subspecies of yak.## Physical characteristics.Yaks are heavily built animals with bulky frames, sturdy legs, rounded, cloven hooves, and extremely dense, long fur that hangs down lower than the belly. While wild yaks are generally dark, blackish to brown in colouration, domestic yaks can be quite variable in colour, often having patches of rusty brown and cream. They have small ears and wide foreheads, with smooth horns that are generally dark in colour. In males (bulls), the horns sweep out from the sides.

Yak. cold. Females have four teats.Yaks are not known to produce the characteristic lowing (mooing) sound of cattle, but both wild and domestic yaks grunt and squeak, which inspired the scientific name of the domestic yak variant, "Bos grunniens" (grunting bull). Nikolay Przhevalsky named the wild variant "Bos mutus" (silent bull) believing that it did not make a sound at all, but it does.## Physiology.Yak physiology is well adapted to high altitudes, having larger lungs and heart than cattle found at lower altitudes, as well as greater capacity for transporting oxygen through their blood, due to the persistence of foetal haemoglobin.

Yak. མཛོ། as well as fertile females known as མཛོ་མོ། or , which may be crossed again with cattle. The "Dwarf Lulu" breed, "the only "Bos primigenius taurus" type of cattle in Nepal" has been tested for DNA markers and found to be a mixture of both taurine and zebu types of cattle ("B. p. taurus" and "B. p. indicus") with yak. According to the International Veterinary Information Service, the low productivity of second generation cattle-yak crosses makes them suitable only as meat animals.Crosses between yaks and domestic cattle ("Bos primigenius taurus") have been recorded in Chinese literature for at least.


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Torres de Serranos. in a street with the same name. It is an important landmark and one of the best preserved monuments of Valencia. Of the ancient city wall, which was pulled down in 1865 on the orders of the provincial governor Cirilio Amorós, only the Serrans Towers, the 15th century Quart Towers, and some other archaeological remains and ruins, such as those of the Jewish Gate (Puerta de los Judíos), have survived. The Torres de Serrans were built in the 14th century, 1392, by Pere Balaguer. It was the main entrance to the city and it was originally built with a defensive.

Torres de Serranos. function. From 1586 until 1887 the towers were used as a prison for nobles. == Construction and structure == Commissioned by the Valencian government, the Serrans Towers were built by the architect Pere Balaguer, who was inspired by other Gothic gates with polygonal towers, such as the Porta de Sant Miquel in Morella and the Royal Gate (Porta Reial) of the Poblet Monastery, showing Genoese influences. Construction began on 6 April 1392, on the site of an older gateway. The walls consist of very solid stone, as their main purpose was fortification. However, they are covered with a cladding of.


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

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Caryota urens. Caryota urens is a species of flowering plant in the palm family, native to Sri Lanka, India, Myanmar and Malaysia (perhaps elsewhere in Indo-Malayan region), where they grow in fields and rainforest clearings, it is regarded as introduced in Cambodia. The epithet "urens" is Latin for "stinging" alluding to the chemicals in the fruit. Common names in English include solitary fishtail palm, kitul palm, toddy palm, wine palm, sago palm and jaggery palm. Its leaf is used as fishing rod after trimming the branches of the leaf and drying. According to Monier-Williams, it is called "moha-karin" ("delusion maker") in Sanskrit.

Caryota urens. It is one of the sugar palms. ## Description."Caryota urens" species is a solitary-trunked tree that can measure 18 (m) in height and up to 30 (cm) wide. Widely spaced leaf-scar rings cover its gray trunk which culminate in a 6 (m) wide, 6 m tall leaf crown. The bipinnate leaves are triangular in shape, bright to deep green, 3.5 (m) long, and held on 60 (cm) long petioles. The obdeltoid pinnae are 30 cm long with a pointed edge and a jagged edge.The 3 (m) long inflorescences emerge at each leaf node, from top to bottom, producing pendent clusters.

Caryota urens. of white, unisexual flowers. The fruit matures to a round, 1 (cm) drupe, red in color with one seed. Like all "Caryotas", the fruit contains oxalic acid, a skin and membrane irritant. As these plants are monocarpic, the completion of the flower and fruiting process results in the death of the tree.## Uses.The trunk contains a high quantity of starch and a juice can be extracted from the shoots of the flowers. The latter can be boiled into a sugary syrup. The cabbage can be eaten raw or cooked.This species is called kithul (කිතුල්) in Sri Lanka. It is best.

Caryota urens. known as the source of kithul treacle, a liquid jaggery. The sap of the tree is boiled for many hours until it turns into the thick, dark treacle, unique to Sri Lanka. Kithul treacle is used as a sweetener in both Sri Lankan and Western cooking.Toddy is extracted from the inflorescence, and is considered somewhat powerful compared to toddy extracted from other palm trees. The pulp of the mature plant is cut, sun dried, and powdered, and is edible. It is sweet in taste. This powder is considered cool and nutritious in Coastal districts of Karnataka.In Sri Lanka, the powder.

Caryota urens. is mixed with coconut milk and cooked to make Kithul Thalapa (කිතුල් තලප).Elephants are fed both the leaf and the pulp of this plant.The leaves possess strong fibres and are used for basketry in Cambodia, where the plant is named "tunsaè". The heart of the trunk contains a starch similar to sago, as well the trunk can be used for building. The fruit, when its stiff hairs are removed, is pleasant and sweet to eat, and, as elsewhere, the Cambodians cut the stalks to make sugar, which in turn can be made into wine.## Cultivation."Caryota urens" is cultivated as an.

Caryota urens. ornamental tree, and planted in gardens and parks in tropical and sub-tropical climates. It is also used as an interior and houseplant when smaller.Riffle, Robert L. and Craft, Paul (2003) "An Encyclopedia of Cultivated Palms". Portland: Timber Press. / (Page 292)Re-learning the art of making jaggeryFloridata sitePACSOA.au - "Caryota urens.


Question: What is this plant named after?

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Kalmia. Kalmia is a genus of about ten species of evergreen shrubs from 0.2–5 m tall, in the family Ericaceae. They are native to North America (mainly in the eastern half of the continent) and Cuba. They grow in acidic soils, with different species in wet acid bog habitats ("K. angustifolia, K. polifolia") and dry, sandy soils ("K. ericoides, K. latifolia")."Kalmia" was named by Linnaeus to honour his friend the botanist Pehr Kalm, who collected it in eastern North America during the mid-18th century. Earlier, Mark Catesby saw it during his travels in Carolina, and after his return to England in.

Kalmia. 1726, imported seeds. He described it, a costly rarity, in his "Natural History of Carolina", as "Chamaedaphne foliis tini", that is to say "with leaves like the Laurustinus"; the botanist and plant-collector Peter Collinson, who had begged some of the shrub from his correspondent John Custis in Virginia, wrote, when his plants flowered, that "I Really Think it exceeds the Laurus Tinus."The leaves are 2–12 cm long and simple lanceolate. The flowers are white, pink or purple, in corymbs of 10-50, reminiscent of Rhododendron flowers but flatter, with a star-like calyx of five conjoined petals; each flower is 1–3 cm.

Kalmia. diameter. The fruit is a five-lobed capsule, which splits to release the numerous small seeds.The foliage contains grayanotoxins, a group of closely related neurotoxins named after "Leucothoe grayana", native to Japan, so it is toxic if eaten, with sheep being particularly prone to poisoning, hence the name lambkill used for some of the species. Other names for Kalmia, particularly "Kalmia angustifolia," are sheep-laurel, lamb-kill, calf-kill, kill-kid, and sheep-poison, which may be written with or without the hyphen. (See species list below.) "Kid" here refers to a young goat, not a human child, but the foliage and twigs are toxic to.

Kalmia. humans as well.It has also been called spoonwood because Kalm was told by Dutch settlers of North America that Native Americans made spoons from the wood. Given its toxicity, this may be folklore rather than scientific fact.Kalmias are popular garden shrubs, grown for their decorative flowers. They should not be planted where they are accessible to livestock due to the toxicity."Kalmia" species are used as food plants by the larvae of some lepidopteran species including "Coleophora kalmiella" which feeds exclusively on "Kalmia".## Species.Species (and infraspecific taxa) listed by The Plant List as "Accepted": "Kalmia angustifolia" - Sheep-laurel, lambkill "Kalmia buxifolia.

Kalmia. - Sandmyrtle "Kalmia carolina" - Carolina mountain-laurel "Kalmia cuneata" - Whitewicky "Kalmia ericoides" - Cuban kalmia "Kalmia ericoides" var. "aggregata" "Kalmia hirsuta" - Hairy mountain-laurel "Kalmia latifolia" - Lambkill "Kalmia latifolia" f. "alba" "Kalmia latifolia" f. "fuscata" "Kalmia latifolia" f. "obtusata" "Kalmia latifolia" f. "polypetala" "Kalmia microphylla" - Alpine laurel, alpine bog-laurel, alpine mountain-laurel "Kalmia microphylla" subsp. "occidentalis" "Kalmia polifolia" - Bog kalmia, bog-laurel "Kalmia simulata" "Kalmia procumbens" is a widely accepted member of this genus, though it is the only species in the genus "Loiseleuria" according to The Plant List. The related "Kalmiopsis" ("Kalmiopsis leachiana" and "K. fragrans") is.

Kalmia. a rare shrub endemic to southwest Oregon.## Fossil record.Fossil leaves of †Kalmia saxonica have been described from the Lower Miocene of Brandis, Germany and Bełchatów, Poland, †'Kalmia marcodurensis have been described from the Lower Miocene of Bitterfeld, Germany. In the Late Tertiary "Kalmia" was associated with coal-forming vegetation occurring as a component of the vegetation of bush swamps together with "Cyrilla" and other shrubs. Among recent species "Kalmia angustifolia" is most similar to †"Kalmia saxonica" in respect of morphology, while "Kalmia latifolia" has a very similar epidermal structure. These two extant species grow in the eastern part of North America.

Kalmia. from (Quebec to Florida) on acid swampy or marshy soils. Jaynes, Richard A., 1997: Kalmia, mountain laurel and related species, Timber Press, Portland, Oregon, U.S.A. Huebbers, Karl-Heinz and Westhoff, Julia,2020 : Fascynujące kalmie (Fascinating Kalmie) published by Plantin, Krakow, Poland ## Bibliography.## Books.ISBN: 978-83-956964-0-4European Kalmia SocietyKalmia.info: German Kalmia hybridizersPieris.eu: Info about "Kalmia latifolia.


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Strapless. Strapless is a 1989 film written and directed by David Hare.## Plot summary.An expatriate American doctor in London allows herself to lighten up when her freewheeling younger sister and a mysterious man enter her life. Her inhibitions released, the beautiful doctor learns that freedom has its own price.Blair Brown – Dr. Lillian HempelBruno Ganz – Raymond ForbesBridget Fonda – Amy HempelAlan Howard – Mr. CooperMichael Gough – Douglas BrodieHugh Laurie – ColinDana Gillespie – Julie KovagoSpencer Leigh – HusAlexandra Pigg - Helen## Release.After the film's May 1990 U.S. theatrical release, it was released on videocassette in the United States by.


Question: What is the main food source of this bird?

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Great spotted woodpecker. excavate nest holes, and also drum for contact and territorial advertisement; like other woodpeckers, they have anatomical adaptations to manage the physical stresses from the hammering action. This species is similar to the Syrian woodpecker.This woodpecker occurs in all types of woodlands and eats a variety of foods, being capable of extracting seeds from pine cones, insect larvae from inside trees or eggs and chicks of other birds from their nests. It breeds in holes excavated in living or dead trees, unlined apart from wood chips. The typical clutch is four to six glossy white eggs. Both parents incubate the.

Great spotted woodpecker. eggs, feed the chicks, and keep the nest clean. When the young fledge they are fed by the adults for about ten days, each parent taking responsibility for feeding part of the brood.The species is closely related to some other members of its genus. It has a number of subspecies, some of which are distinctive enough to be potential new species. It has a huge range and large population, with no widespread threats, so it is classed as a species of least concern by the International Union for Conservation of Nature (IUCN).## Taxonomy.Woodpeckers are an ancient bird family consisting of.

Great spotted woodpecker. the nominate subspecies "D. m. major".The fossil subspecies "D. m. submajor" lived during the Middle Pleistocene Riss glaciation (250,000 to 300,000 years ago) when it was found in Europe south of the ice sheet. It is sometimes treated as a distinct species, but did not differ significantly from the extant great spotted woodpecker, whose European subspecies are probably its direct descendants.## Description.An adult great spotted woodpecker is 20 – 24 (cm) long, weighs 70 – 98 (g) and has a 34 – 39 (cm) wingspan. The upperparts are glossy blue-black, with white on the sides of the face and neck.

Great spotted woodpecker. were hatched, often as far as 100 – 600 (km), sometimes up to 3000 (km). Vagrants have reached the Faroe Islands, Hong Kong and Iceland, and there are several sightings from North America in at least the Aleutian Islands, Pribilof Islands and Alaska.Due to deforestation, this woodpecker was extirpated in Ireland in the seventeenth century, but the island has been naturally recolonised, with the first proven nesting in County Down in 2007. Its expansion in range is continuing, with breeding proven or suspected in at least 10 counties by 2013, with the main concentration in Down and County Wicklow. Genetic.

Great spotted woodpecker. against the shock of the impact when the bill is hammering on hard wood. The outer layer of the upper mandible is significantly longer than the more rigid lower mandible and absorbs much of the concussive force. Skeletal adaptations and strengthening also help to absorb the shock, and narrow nostrils protect against flying debris.As well as using holes for breeding, great spotted woodpeckers roost at night, and sometimes during the day, in old nest cavities, excavated by other woodpeckers. They will occasionally make a new roosting hole or use an artificial site such as a nest box.## Breeding.Great spotted woodpeckers.

Great spotted woodpecker. four to six glossy white eggs that measure 27 x 20 (mm) and weigh about 5.7 (g), of which 7% is shell. They are laid from mid-April to June, the later dates being for birds breeding in the north of the range or at altitude. The eggs are incubated by either adult during the day and by the male at night, for 10–12 days before hatching. Both birds brood and feed the altricial naked chicks and keep the nest clean. The young fledge in 20–23 days from hatching. Each parent then takes responsibility for feeding part of the brood for.

Great spotted woodpecker. about ten days, during which time they normally remain close to the nest tree.There is only one brood per year. The survival rates for adults and young are unknown, as is the average lifespan, but the maximum known age is just over 11 years.## Feeding.The great spotted woodpecker is omnivorous. It digs beetle larvae from trees and also takes many other invertebrates including adult beetles, ants and spiders. The bird also digs for Lepidoptera larvae like "Acronicta rumicis". Crustaceans, molluscs and carrion may be eaten, and bird feeders are visited for seeds, suet and domestic scraps. The nests of other.

Great spotted woodpecker. cavity-nesting birds, such as tits, may be raided for their eggs and chicks; nest boxes may be similarly attacked, holes being pecked to admit entrance by the woodpecker where necessary. House martin colonies can be destroyed in repeated visits.Fat-rich plant products such as nuts and conifer seeds are particularly important as winter food in the north of the woodpecker's range, and can then supply more than 30% of the bird's energy requirements. Other plant items consumed include buds, berries and tree sap, the latter obtained by drilling rings of holes around a tree trunk.The species feeds at all levels of.

Great spotted woodpecker. a tree, usually alone, but sometimes as a pair. It will use an "anvil" on which to hammer hard items, particularly pine, spruce, and larch cones, but also fruit, nuts, and hard-bodied insects.Easily accessible items are picked off the tree surface or from fissures in the bark, but larvae are extracted by chiselling holes up to 10 (cm) deep and trapping the soft insect with the tongue, which can extend to 40 (mm) beyond the bill, and is covered with bristles and sticky saliva to trap the prey. The woodpecker is able to extend its tongue so far because the.

Great spotted woodpecker. 73.7–110.3 million individuals, with 35% of the population in Europe. The breeding range is estimated as 57.8 (sqkm), and the population is considered overall to be large and apparently stable or slightly increasing, especially in Britain, where the population has recently overspilled into Ireland. For this reason the great spotted woodpecker is evaluated as a species of least concern by the IUCN.Breeding densities have been recorded as between 0.1–6.6 pairs/10 ha (0.04–2.7 pairs/10 acres), with the greatest densities in mature forest growing on alluvium. Numbers have increased in Europe due to the planting of forests, which provides breeding habitat, and.

Great spotted woodpecker. more available dead wood, and this species has profited from its flexibility with regard to types of woodland and its ability to thrive in proximity to humans. Harsh winters are a problem, and fragmentation of woodland can cause local difficulties. The Canary Islands populations of "D. m. canariensis" on Tenerife and "D. m. thanneri" on Gran Canaria face a potential threat from the exploitation of the local pine forests. Ageing and sexing by Javier Blasco-Zumeta & Gerd-Michael Heinze (PDF; 6.3 MB) Xeno-canto: audio recordings of the great spotted woodpecker Feathers of great spotted woodpecker ("Dendrocopos major").


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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.


Question: Which significant event was held in this building?

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Statue of Zeus at Olympia. The statue was lost and destroyed during the 5th century AD; details of its form are known only from ancient Greek descriptions and representations on coins.## History.The statue of Zeus was commissioned by the Eleans, custodians of the Olympic Games, in the latter half of the fifth century BC for their newly constructed Temple of Zeus. Seeking to outdo their Athenian rivals, the Eleans employed sculptor Phidias, who had previously made the massive statue of Athena Parthenos in the Parthenon.The statue occupied half the width of the aisle of the temple built to house it. The geographer Strabo noted early.

Statue of Zeus at Olympia. the god to show by a sign whether the work was to his liking. Immediately, runs the legend, a thunderbolt fell on that part of the floor where down to the present day the bronze jar stood to cover the place."## Loss and destruction.According to Roman historian Suetonius, the Roman Emperor Caligula gave orders that "such statues of the gods as were especially famous for their sanctity or their artistic merit, including that of Jupiter at Olympia, should be brought from Greece, in order to remove their heads and put his own in their place." The emperor was assassinated before.

Statue of Zeus at Olympia. this could happen, in 41 AD; his death was supposedly foretold by the statue, which "suddenly uttered such a peal of laughter that the scaffolding collapsed and the workmen took to their heels."In 391 AD, the Christian Roman emperor Theodosius I banned participation in pagan cults and closed the temples. The sanctuary at Olympia fell into disuse. The circumstances of the statue's eventual destruction are unknown. The 11th-century Byzantine historian Georgios Kedrenos records a tradition that it was carried off to Constantinople, where it was destroyed in the great fire of the Palace of Lausus, in 475 AD. Alternatively, the.


Question: Which location has this animal invaded?

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Muskrat. The muskrat ("Ondatra zibethicus") is a medium-sized semiaquatic rodent native to North America and an introduced species in parts of Europe, Asia, and South America. The muskrat is found in wetlands over a wide range of climates and habitats. It has important effects on the ecology of wetlands, and is a resource of food and fur for humans.Adult muskrats weigh 0.6 - 2 (kg), with a body length of 20 - 35 (cm). They are covered with short, thick fur of medium to dark brown color. Their long tails, covered with scales rather than hair, are their main means of.

Muskrat. and are their main means of propulsion. Their tail functions as a rudder, controlling the direction they swim in.## Distribution and ecology.Muskrats are found over most of Canada and the United States and a small part of northern Mexico. They were introduced to Europe in the beginning of the 20th century and have become an invasive species in northwestern Europe. They mostly inhabit wetlands, areas in or near saline and freshwater wetlands, rivers, lakes, or ponds. They are not found in Florida, where the round-tailed muskrat, or Florida water rat ("Neofiber alleni"), fills their ecological niche.Their populations naturally cycle; in.

Muskrat. been created by the construction of canals or irrigation channels (e.g., acequias), and the muskrat remains common and widespread. They are able to live alongside streams which contain the sulfurous water that drains away from coal mines. Fish and frogs perish in such streams, yet muskrats may thrive and occupy the wetlands. Muskrats also benefit from human persecution of some of their predators.The muskrat is classed as a "prohibited new organism" under New Zealand's Hazardous Substances and New Organisms Act 1996, preventing it from being imported into the country.The trematode "Metorchis conjunctus" can also infect muskrats.## Invasiveness status.In Europe, the.

Muskrat. muskrat has been included in the list of invasive alien species of Union concern (the Union list) since August 2, 2017. This implies that this species cannot be imported, bred, transported, commercialized, or intentionally released into the environment in the whole of the European Union.## Behavior.Muskrats normally live in families consisting of a male and female and their young. During the spring, they often fight with other muskrats over territory and potential mates. Many are injured or killed in these fights. Muskrat families build nests to protect themselves and their young from cold and predators. In streams, ponds, or lakes,.

Muskrat. Muskrats were introduced at that time to Europe as a fur resource, and spread throughout northern Europe and Asia.In some European countries, such as Belgium, France, and the Netherlands, the muskrat is considered an invasive pest, as its burrowing damages the dikes and levees on which these low-lying countries depend for protection from flooding. In those countries, it is trapped, poisoned, and hunted to attempt to keep the population down. Muskrats also eat corn and other farm and garden crops growing near water bodies.Royal Canadian Mounted Police winter hats are made from muskrat fur. Everything Muskrat How Muskrat Created the.