Corvid intelligence: study shows crows understanding geometry

Crows are objectively awesome—leaving gifts for humans who prove themselves worthy, exploring interspecies friendships and learning to count—and a new study on corvid intelligence published in Science Advances shows they have at least a rudimentary understanding of geometry. In 'Crows recognize geometric regularity', Philipp Schmidbauer, Madita Hahn, and Andreas Nieder demonstrate the birds' ability to recognize geometric shapes. — Read the rest
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