Scientists once thought that planning required a primate brain. Experiments with birds are now proving that assumption wrong.

Crows are living proof that the term "bird-brained" should be considered a compliment, not an insult. While it's hard to draw a direct comparison between human and animal intelligence, crows ...

Crows don’t just remember humans. Here’s a breakdown of how they form opinions, assign reputations and teach each other who to trust. If you’ve ever felt like a crow was watching you a little too ...

Birds are brilliant animals, and crows are among the most intelligent. They’re often too smart for their own good, and they are capable of recognizing and remembering people they interact with. That’s ...

Here are five birds that might completely change the way you look at them: ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

For the first time in years, a rare bird is flying free in the forests of Hawaii. The ʻalalā is a species of crow found only on the Hawaiian Islands, one that holds an important place in Native ...