Episodes

Individuals care for a population of once-captive chimpanzees that scientists used for research.

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.

As snow falls and Christmas lights glow in Jackson Hole, a holiday season of a different sort settles in just beyond the town.

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, which are believed — erroneously — to possess healing properties. 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. 9/18/2011

Take flight on an exhilarating ride with elite winged predators. Humans have had a unique relationship with raptors, nature’s aerial killing machines, for more than four thousand years, first through the ancient sport of falconry, and, more recently, as scientists and engineers have turned to these mighty birds for inspiration for the latest in aircraft design.

The Andes are an extraordinary world of diverse terrain, extreme temperatures and multifarious wildlife.

NATURE chronicles African elephants’ families through stunning film and still photos.

Spinners dolphins congregate in superpods of hundreds, coordinating a hunt – and spinning! Scientists do not know for certain why they spin.

Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011

Details the explosion of dog types into the roughly 400 breeds known today and outlines dogs' potential role in medical care for human beings. (Part 2 of 2) 10/9/2011

A special band of muscle running along its side helps the great white hunt fur seals.