Birds across the globe independently evolved a shared warning call against parasites, blending instinct and learning in a remarkable evolutionary pattern. The finding offers a rare glimpse into how ...

A superb fairy-wren calls to a Horsfield's bronze-cuckoo. Brood parasites like cuckoos lay eggs in other birds' nests and leave them behind for the host birds to raise. David Ongley / Cornell Lab of ...

Magpies can damage garden lawns by digging for insects and bully smaller birds at feeders, but there are effective ways to ...