Most birds spend hours, days, or even weeks painstakingly building their nests. Some birds make nests out of mud, some build nests in trees, and some birds nest on the ground and simply scrape out a ...

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 ...

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 — ...

If you’re a bird and you’re trying to be taken seriously, it can’t be easy to be a cuckoo. In an animal grouping that includes the golden eagle, the sharp-shinned hawk and the great crested heron, ...

LONDON (Reuters) - The cuckoo has become one of Britain's most threatened birds, joining a "red list" of the 52 most vulnerable species. Others on the list, which now accounts for 21 percent of all ...

SPOILER ALERT: This article contains minor spoilers for “Cuckoo,” now playing in theaters. Roughly 40% of cuckoo bird species are “brood parasites.” Instead of building its own nest, the cuckoo ...