Does a cuckoo know it's a cuckoo? The answer is more difficult than you might think, explains Richard Pallardy ...

A lot of us will change our wardrobe to fit into a crowd, and the brood parasite known as the cuckoo has used evolution to do the same thing. Because cuckoos lay their eggs in the nest of a host bird, ...

There are plenty of birds that are widely referenced in popular culture today, whether as a sports team name or as the origin for an ubiquitous turn of phrase—looking at you, ugly duckling. But few ...

A common cuckoo calls from deep within the trees, its presence felt but never seen. Its song carries across the landscape—a familiar sound of spring. This recording captures the essence of the bird ...