Bonobos' unusual success story

Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, however, invest ...

Great apes make sophisticated decisions

Chimpanzees, orangutans, gorillas and bonobos make more sophisticated decisions than was previously thought. Great apes weigh their chances of success, based on what they know and the likelihood to succeed when guessing, ...

'Look at that!' -- ravens use gestures, too

Pointing and holding up objects in order to attract attention has so far only been observed in humans and our closest living relatives, the great apes. Simone Pika from the Max Planck Institute for Ornithology and Thomas ...

Monkeying around in Belgian zoos brings girls out on top

A female bonobo has been named "the world's smartest ape" after beating chimpanzees distracted by male rivalry in a contest between two Belgian zoos, whose results took scientists by surprise.

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