Witness the day-to-day drama at one of the world's wildest hospitals deep in the Guatemalan jungle.

Learn the value of teamwork among animal partners, even ones as odd but perfect as hippo and fish.

Witness the incredible story between Asia's last wild lions and the villagers of India.

Reunions between wild animals and their caregivers reveal whether interspecies bonds can stand the test of time.

Enjoy the intimate and incredible journey of a tiny Emperor penguin chick, from egg to independence.

David Attenborough chronicles the forensic investigation of an amazing find in the Argentinean desert: the fossils of a giant-sized, plant-eating titanosaur. The discovery was due to a shepherd who, while searching for one of his lost sheep, spotted the tip of a gigantic bone sticking out of a rock. The fossils, which date to 101.6 million years ago, point to the creature being the largest dinosaur thus far known. It measured 121 feet from head to tail and weighed over 77 tons.

Exploring the world of moose in the Canadian Rockies, focusing on a calf's first year of life.

Males use size, style and skill to trick the competition.

Animals adapt their bodies or behavior to secure their next meal.

Animals outwit predators in order to stay alive.

Discover how our pets get in touch with their wild side. Schlieren photography makes smells visible, while moving x-rays, ultraviolet light and doggycams reveal how our pets experience their world through hidden channels of communication.

Discover how the playful games of parakeets, marathon-running hamsters, wall-climbing cats, revered rabbits and Peruvian dogs are just a whisker away from the wild. Mini-cameras, moving x-rays and night vision cameras expose their secret lives.

Delve into the hearts, minds and even souls of elephants with filmmakers Dereck and Beverly Joubert.

Explore the lives and histories of flightless birds: ostriches, emus, rheas, cassowaries and kiwis.

Watch animal rescue center caregivers work to provide wild baby orphans a second chance at life.

Watch animal rescue center caregivers work to provide wild baby orphans a second chance at life.