When male northern cardinals perch amid evergreens highlighted with a dusting of snow, well, winter doesn't get much more greeting-card gorgeous than that. Because they're so handsome, cardinal images ...

One obvious reason why people enjoy the existence of birds so much is their bright and varied colors. Humans — and most mammals — seem boring in comparison. But why are birds the colors that they are?

Brum and his colleagues observed the birds in Yorkshire Dales National Park in northwest England. They used a telescope or ...

Plick! Your bird, busy with the all-important task of grooming his feathers, suddenly yanks one out. Bad Beaky! you exclaim, horrified. What possessed you to do that? Then, with no warning, plick!

In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In many cases ...

Beautiful bird plumage these days matches the color pallet of wildflowers — cardinals as red as Indian paintbrushes, andbluebirds as blue as bluebonnets. It’s not happenstance. Wildflowers attract ...

Researchers from the University of Wisconsin - Milwaukee have found that the evolution of the color of the plumage of birds depends less on the gender and more on predation and success of foraging.

Bird migration represents one of nature’s most remarkable phenomena, where millions of feathered travelers navigate thousands ...

Evolutionary changes have led to both sexes becoming closer together in color over time to blend into their surroundings and hide from predators, a new study has found. In the world of bird fashion, ...

For birds, fractals are a turn on. A new study found that the complexity of fractal patterns on a bird's chest communicates the animal's fitness to potential mates. Scientists studied male and female ...

The hybrid bird is the product of two species whose habitat ranges began to overlap a few decades ago, potentially due to climate change, researchers said.