All fire and no rain makes fairywrens very dull birds. As the climate warms and wildfires become increasingly common, these birds are coping by ditching their bright plumage to better blend in with ...

Female tanager birds dig flamboyant males. So to build plumage that really pops with orange or red or yellow, a male has to eat fruits and absorb their carotenoids. The fancy feathers he produces then ...

Have you ever looked at a bird and wondered, how can it be so red or so blue or so intensely yellow? Well, if you have, then you and several researchers have something in common. A new study finds ...

In the rainforests of New Guinea lives a bird unlike any other - the Hooded Pitohui, known as the world's only toxic bird.

Many feathered dinosaurs couldn’t fly — at least, not like birds do today. But the reptiles’ feathers may have been more birdlike than scientists thought. Yet fossilization can change feather proteins ...

Birds boast some of the most vibrant colors among terrestrial animals. Our pretty avian friends have inspired our Democrat and Chronicle photographers for years and captured the imaginations of many ...