Birth of a baby orang-utan

Researchers set up tests to show that great apes can recognize themselves in the mirror.

With mouthfuls of mealworms, this family of Golden Lion Tamarins works for their food. Jorge Ribas hangs out with the curious monkeys.

Snow is the last thing orangutans in the wild would encounter, but at Great Ape Trust of Iowa, it's a special treat. Watch Azy, an adult male bonobo, as he finds a hidden treat and then uses a tool to discover if anything else is hidden there.

Warning: none of these animals die or get seriously injured. Crazy, I know

at monkey temple, Bali

There are only 720 of them left on earth. But nine of them have been killed since the beginning of this year.

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two baby pygmy marmosets born at Newquay Zoo in Cornwall, UK

Clever gorilla having some fun with some stoned teenagers

This is Nina Conti's performance for the charity event 'Tickled Pink'

This is a complete version of all six trunk monkey TV spots