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After the birds understood this game, the researchers started showing them sets of shapes that included squares, ...
Crows are considered to be among the smartest creatures on Earth. They have cognitive abilities at the levels of five- […] ...
Crows are arguably among the smartest creatures on the planet, possessing some cognitive abilities that rival those of 5- to ...
After the birds understood this game, the researchers started showing them sets of shapes that included squares, parallelograms ... parallel lines, and symmetry. Before these results, says ...
Could the crows distinguish regular shapes, like squares or parallelograms, from irregular quadrilaterals ... showing that crows clearly had a sense of right angles, parallel lines, symmetry. And that ...