White-feathered birds are special. Discover facts about albino birds and leucistic birds and how their unique appearance ...

Birds see a more colorful world than we do, especially when it comes to their eggs, a new study suggests. Unlike humans, birds can see ultraviolet (UV) light, and they have four rather than three ...

image: While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team led by Princeton's ...

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Scientists have discovered a surprisingly "visionary" detail about a dinosaur-age bird that had a tooth-filled beak: It could likely see in color. An analysis of the 120-million-year-old bird revealed ...