For the first time, monkeys recognise themselves in the mirror, indicating self-awareness

Typically, monkeys don't know what to make of a mirror. They may ignore it or interpret their reflection as another, invading monkey, but they don't recognise the reflection as their own image. Chimpanzees and people pass this 'mark' test - they obviously recognise their own reflection and make funny faces, look at a temporary mark that the scientists have placed on their face or wonder how they got so old and grey...

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