Orangutans yawn contagiously when they see others yawn

For the first time, contagious yawning has now also been found in a species that roams its territory mostly in solitude and is less frequently engaged in social interactions: the orangutan. Publication in Nature Scientific ...

Scratching is contagious when solitary orangutans are in groups

If someone around you yawns, the chances are that you too will soon yawn. In orangutans it has now been found that scratching is very contagious. This is what cognitive psychologists from Leiden discovered at Apenheul Primate ...

Rare albino orangutan spotted in Borneo rainforest

The world's only known albino orangutan has been spotted alive and well in a Borneo rainforest, more than a year after she was released into the wild, conservationists say.

Extinct giant ape directly linked to the living orangutan

By using ancient protein sequencing, researchers have retrieved genetic information from a 1.9 million year old extinct, giant primate that used to live in a subtropical area in southern China. The genetic information allows ...

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