Its calls are usually loud and often provide the best evidence to the presence of the bird ... yellow-billed cuckoo has a slender body, a long tail, and rounded wings. Adults have grayish brown ...

Adult: gray and yellow areas of underparts fairly bright, with abrupt gray-yellow contrast on breast. Outer pairs of tail feathers extensively rufous on inner webs; dark shaft stripes and rufous ...

The yellow-billed loon is a born diver. Ungainly on land, the loon moves with grace and ease through the water, diving in an instant with its large feet propelling it toward the lakebed in search of ...

The small brown bird weighs around 16 grams (roughly half an ounce) and has black and yellow bands along with a large beak. The finding, which was reported in the science journal Nature ...

Ever noticed how some birds seem to have a stare that cuts right through you? That’s often thanks to their striking yellow ...

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 ...