orangutans

Untrained orangutans spontaneously use stones as tools in fascinating experimentFebruary 16, 2022

Orangutan

‘Treescription’ meds: Orangutans use medicinal plants to treat sore musclesAugust 15, 2018

Chimp making funny face

Chimps refuse to go ape when zookeepers play music, study findsApril 3, 2017

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