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Study: Some Birds as Smart as Apes

Bird-brain is not the insult it once was, according to new research into the cognitive skills of birds. A pair of European scientists reports that crows and parrots can think logically, recognize themselves in a mirror and feel empathy - abilities "as sophisticated and diverse as those of apes." Birds' brains do not have a neocortex, the structure in mammalian brains that controls cognitive skills. They're also much smaller than simian brains. So how can they perform...

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