Quick Take Vulturine guinea fowl’s blue and white plumage comes from feather structure, not pigments, creating vivid, long-distance visual signals. Bright colors and high-contrast patterns help ...

Feathers define birds. Other critters, like insects, fly; but no other critter wears feathers. And what amazing structures they are, these feathers. They allow birds to fly, perform mating displays, ...

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 ...

What makes a blue jay blue or a cardinal red? Color, a crucial element in nature, is most evident in the amazing hue and pattern variations in more than 10,000 bird species around the world. How birds ...

The sunny yellow-hued American goldfinch, which has a black forehead marking, can be seen all over the states. For a real ...

Simon Griffith receives funding from the Australian Research Council. Birds are perhaps the most colourful group of animals, bringing a splash of colour to the natural world around us every day.

Some birds are iridescent because of the physical make-up of their feathers, but scientists had never found evidence of this structural color in the group of birds containing ostriches and cassowaries ...