Birds are perhaps the most colorful group of animals, bringing a splash of color to the natural world around us every day.

Red, white and blue birds of Pennsylvania Published: Jul. 04, 2018, 10:00 a.m. By Marcus Schneck | [email protected] ...

Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are more likely to attract mates and produce more offspring than those that aren ...