Researchers at the University of Tübingen in Germany have new evidence suggesting crows can contemplate the number zero. This ability means the birds join an “elite” group of creatures that can ...

Some consider them pests or harbingers of doom. For others, they’re a sign of good luck. For Pullman resident Phoebe Murtagh, the American Crow is a charismatic addition to her favorite Chicago parks.

Crows recently demonstrated an understanding of the concept of zero. It’s only the latest evidence of animals’ talents for numerical abstraction — which may still differ from our own grasp of numbers.

Crows have roots in folklore and mythology because of how intelligent they are - so intelligent, in fact, that they're considered one of the world's smartest animals. While we may never know how they ...

Male and female birds are often quite different. Looking at two individuals of radically different color, it’s sometimes easy to forget this. I often talk to people who think they have multiple kinds ...

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