It seems that magpies understand mirrors:
Magpies can recognize themselves in a mirror, highlighting the mental skills of some birds and confounding the notion that self-awareness is the exclusive preserve of humans and a few higher mammals.Not smart enough to leave harmless humans walking under their nest alone, though.It had been thought only chimpanzees, dolphins and elephants shared the human ability to recognize their own bodies in a mirror.
But German scientists reported on Tuesday that magpies -- a species with a brain structure very different from mammals -- could also identify themselves.
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