Male Galápagos yellow warblers appear to be shifting their behavior and adjusting their calls in response to the din of ...

Black bill and range distinguish this species from the yellow ... northeastern Northwest Territories. Other sightings occur casually throughout the East and may pertain to escaped cage birds.

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 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 ...