Crows: The tail-pulling, food-stealing bird prodigies - Ars Technica

Ars Technica
Crows: The tail-pulling, food-stealing bird prodigies
Ars Technica
If you're not yet obsessed with crows, you're behind the times. A flood of research on the birds keeps turning up astonishingly smart behavior. They use tools: in artificial captive situations, in the wild, and by exploiting urban features like traffic ...