A crow in Frankfurt forms an extraordinary bond with a hospital employee who once fed it at home. The bird recognized him, followed him to work, and now visits his window daily for nuts. Ornithologist ...
Explore how crows can hold grudges for up to 17 years, showcasing their incredible memory and recognition skills.
Crows have a sense of geometric intuition much like our own, a new study reveals. They can detect the 'odd one out' in a set of geometric shapes, and have an affinity for geometric regularity – shapes ...
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