David Attenborough asks three key questions: how and why did Darwin come up with his theory of evolution? Why do we think he was right? And why is it more important now than ever before?
The largest gorilla family in the world is starting the perilous journey down to feed on the fresh shoots of bamboo. They run the risk of being caught in illegal snares and Cantsbee, the dominant silverback, will have his work cut out keeping them all safe, especially those closest to him. Meanwhile on the other side of the Rwandan volcanoes a young gorilla has been deserted by her mother. She turns to her silverback father for guidance and protection, but is he up to the job? In Uganda, Marembo the teenage silverback has come of age. He has lived 15 years under the watchful eye of dominant silverback Rukina but now feels it is time to make the break on his own.
When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nourishment: dead stuff. John C. Moore details the "brown food chain," explaining how such unlikely delicacies as pond scum and animal poop contribute enormous amounts of energy to our ecosystems.
Three hundred and seventy miles off the coast of Mexico in the eastern Pacific, the waters surrounding Socorro Island are home to some of the world's largest marine life. Take a deep dive through surging currents and majestic coral reefs with whale sharks, giant manta rays, and more.