Primatologist Chloe Cipoletta and her team get closer than they've ever before to a wary group of lowland gorillas. (From "Gorilla Encounters," Season 4)
A rescued Butaan is carefully studied, marked and then released into the wild with a low-tech tracking system. (From "Butaan: The Lost Dragon," Season 4)
The Butaan was lost to science for 135 years. Now that it's back on the radar, can it keep from vanishing for good? (From "Butaan: The Lost Dragon," Season 4)
The wolves of Yellowstone National Park are very territorial. In this clip from "Planet's Best North American Wildlife Encounters" on Animal Planet, the pups are separated from the pack and are challenged by some large elk bulls.
On Animal Planet's "Get Out There," join the Wilder family in their quest to find wolves at Grand Teton National Park. Wolves travel in packs and usually live in dens. Learn more about wolves on Animal Planet.
Shaun Ellis has already successfully joined a wolf pack in order to learn as much about them as possible. Now his girlfriend wants to join the pack. Catch new episodes Tuesdays at 10:30 PM e/p on Animal Planet.
Native mongolian horses have been brought back to their natural lands. These are the direct decendants of their ancient relatives, often depicted on cave walls.