Tweet of the Day is a series of fascinating stories about birds inspired by their calls, songs and behaviour.

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...

When the cuckoo chick hatches ... a retired photo editor who’s an avid wildlife photographer, observed the birds’ behavior in 2014 in Amsterdam, where she lives. “The poor warbler almost ...

Generally shy and elusive, the yellow-billed cuckoo can be easily overlooked. Its calls are usually loud and often provide the best evidence to the presence of the bird. It favors eating ...

2010). These and other cuckoo hosts appear to have evolved a simple rule of thumb to direct their behavior: "eject the egg unlike your own". But how does a bird know what its own eggs look like?

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...

The term comes from the cuckoo bird, which lays its eggs in the nests of other birds. See Easter Egg. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.