Presumably the crows don’t have any issues telling the boys from girls. Crows are among the smartest of all the birds in the world. Not only have they been known to use tools to obtain food ...

Presumably the crows don’t have any issues telling the boys from girls. Crows are among the smartest of all the birds in the world. Not only have they been known to use tools to obtain food ...

Besides being dark and mysterious, crows are extremely intelligent birds. So smart, in fact, that it might be a little bit scary. Even though their brains are the size of a human thumb ...

Crows, along with other members of the Corvidae family, are some the smartest animals on Earth. A new study shows that crows, ...

Crows can recognize faces, make their own tools, and understand complex subjects — and we're only beginning to understand everything that they can do. Follow BI Video: On Twitter More from ...

Are animals smart? – Deron It’s a fascinating question that intrigues millions of pet owners, animal lovers, veterinarians and scientists all over the world: Just how smart are animals?

Dolphins communicate using a sophisticated combination of clicks and whistles. Stephen Frink/The Image Bank via Getty Images ...