Something strange is happening in the Amazon, and it’s not what you’d expect. The yellow-naped parrots are swapping accents, ...

This little perpetual-motion machine needs to eat constantly because of its high metabolism and high body temperature. If it ...

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 ...

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 ...