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Crows and parrots’ brains are about a tenth the size of the mammals’ brains, but researchers believe the birds have developed equal cognitive abilities...
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Crows and parrots’ brains are about a tenth the size of the mammals’ brains, but researchers believe the birds have developed equal cognitive abilities...
Some birds are smarter than others. Crows, for example, are seen as having a relatively high intelligence. Previous studies have shown that crows can...