To someone watching birds casually, the cuckoo’s behaviour looks almost lazy. Instead of gathering twigs, lining a nest, and ...

Clever birds figure out how to trick others into raising their kids A common Cuckoo chick in Reed Wablers nest waits to be fed with its mouth wide open, in this undated file photo. Getty Images — ...

For two million years African cuckoo finches have been tricking other birds into raising their young by mimicking the colour of their eggs, but new research suggests the tables may be turning in this ...

British ornithologists tracked cuckoo birds on a migration more than 7,500 miles, spanning southern Africa and East Asia. Mongolian Cuckoos Migrate 7,500 Miles To Southern Africa — One Of The Longest ...

For two million years African cuckoo finches have been tricking other birds into raising their young by mimicking the colour of their eggs, but new research suggests the tables may be turning in this ...

Cuckoo birds aren’t just the inspiration for intricate clocks. They’re also shameless parasites. Brood parasites, that is. Many species of cuckoos have been known to leave their eggs in other birds’ ...

It’s hard to get inside another human’s head – let alone a member of a different species – but that’s where physics and computer models help. Liz Kalaugher reports how researchers are visualizing what ...

Birders are going cuckoo for a rare sight on Long Island. The common cuckoo bird has been spotted only four times in U.S. history in the lower 48 states, experts say. Now, it's in Riverhead. Hundreds ...

A cuckoo bird named PJ just broke an impressive record: He traveled more than 50,000 miles (80,000 kilometers) in the past five years while migrating to and from the U.K. To better understand why ...

Twenty years ago last month, I witnessed my first yellow-billed cuckoo. Saw it well, too, at Churchill Woods Forest Preserve in Glen Ellyn. A few things made that experience especially rewarding.