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

A George Mason University (GMU) biologist proposed an alternate theory of how the common cuckoo bird mimics other birds’ egg ...

The iconic cuckoo faces a new peril on its huge annual migration to the UK - being eaten by humans, according to researchers. The findings come as the first cuckoo to arrive in the UK has been ...

To someone watching birds casually, the cuckoo’s behaviour looks almost lazy. Instead of gathering twigs, lining a nest, and feeding its chicks, the cuckoo quietly slips its egg into another bird’s ...

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 ...

When a bird rarely seen on this continent showed up in Riverhead last month, the reaction was, as might be expected, a little cuckoo. Native to Eurasia, the bird is anything but common here: It ...