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 ...

Marc Trevor Freeman receives funding from National Research Foundation. Andrew McKechnie receives funding from the National Research Foundation. He holds the South African Research Chair in ...

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 ...