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3:00
Not everyone shows this gorilla troop leader the respect he deserves.
3:00
Watch the first moving images of a Tapanuli orangutan mother and her infant.
2:32
These monkeys are exceptional tool-users, which could have some surprising consequences.
1:28
Staring down a half-ton Nile croc isn't for the faint of heart.
3:09
Orphan orangutans receive a special lesson from their human carers.
1:23
A series producer for "Spy in the Wild" recalls the humorous behavior of some wild chimps.
2:52
Spy hummingbird ventures into the heart of a breathtaking monarch butterfly swarm.
