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2:46
The wild Garrano horses in Portugal's Peneda-Gerês National Park are not newcomers.
6:01
Everyone has heard of honeybees, but what about the other 4,000 species of wild bees?
3:38
Go behind the scenes of "Hippo King."
4:18
Hummingbirds can lap up all of a flower's nectar in seconds. Here's how they do it.
1:17
Timelapse: scientists reconstruct a complete titanosaur skeleton.
9:51
See how Hugo tracked a moose mother and her calf through 4000 square miles of wilderness.
1:58
The California ground squirrel uses the skin of a major predator to hide in plain sight.
3:10
A group of monkeys in Indonesia steal tourists' belongings and ransom them for food.
1:03
An abandoned fawn is taken in by a Great Dane.
1:11
A 45-year-old female Aldabra tortoise was chosen by an unusual suitor: a male Brant goose.
2:33
Filmmaker Sooyong Park photographs a Siberian tiger on a cliff overlooking the Pacific.
3:19
In a winner-take-all contest, two male elephant seal fight for access to females.
