A migrant bird that winters in South America and summers in the American West is bound for extinction, according to a federal agency, which is seeking comments on a proposed endangered listing for the ...

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

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 ...

A swarm of birders flocked to Long Island after an exceptionally rare cuckoo bird was spotted by a golfer, according to reports. Hundreds of people traveled from dozens of states to Vineyards Golf and ...

JOHNSTON, R.I. (WPRI) ─ Rhode Islanders have a new, yet positive, reason to go a little “cuckoo” this year. Hundreds of people have been flocking to Snake Den State Park in Johnston to get a glimpse ...

SAINT CLAIR — Frank Buffalino loves cuckoo clocks, but he concedes having 50 tiny wooden birds going off at once is a bit much. “We used to have all our clocks set to the same time,” he recalled, “but ...

Cuckoos – which lay their eggs in nests of other birds – have higher speciation rates when they lay their eggs in a broader range of host bird species’ nests, a new study reports. This higher ...

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 ...