Math isn't just a human thing. All kinds of animals, from African grey parrots to chimpanzees, are thought to have some kind of mathematical ability, but it can be hard to test. Now, a new study finds ...
Crows, along with other members of the Corvidae family, are some the smartest animals on Earth. A new study shows that crows, in this case the carrion crow, can count out loud just like human toddlers ...
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