The song of an extremely rare species of cuckoo has been recorded for the first time. It is only the third confirmed sighting in a decade of the Sumatran ground-cuckoo and knowing its song will help ...

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 ...

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 ...

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 ...