Emperors and kings, chinstraps and Adélies - NATURE follows the penguins' difficult journey through the cycle of seasons and explores how a changing climate is affecting their habitat and survival.
During the past century, the rhinos of Africa and Asia have been pushed out of their habitats and hunted nearly to extinction for their horns. Now, thanks to the efforts of conservationists and scientists, the rhinos are on their way back.
Gigantic crocodiles - some known to exceed 20 feet - are very, very rare, but still out there in the wild, with a few held in captivity. Renowned herpetologist Romulus Whitaker attempts to ensure the future of the last of these leviathans.
Take flight on an exhilarating ride with winged predators. Humans have had a unique relationship with raptors for more than four thousand years. Through the ancient sport of falconry and as inspiration for the latest in aircraft design.
Explore the massive Pacific Ocean through the eyes of a 30-year-old sea turtle as she embarks alone on an extraordinary 9,000-mile migration to breed and lay eggs on the beach where she was born.