The color vision of birds stops working considerably earlier in the course of the day than was previously believed, in fact, in the twilight. Birds need between 5 and 20 times as much light as humans ...

The brilliant colors of birds have inspired poets and nature lovers, but researchers say these existing hues represent only a fraction of what birds are capable of seeing. The brilliant colors of ...

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 – ...

Tree swallows' iridescent feathers change from blue-green to muted yellow when exposed to humidity. The plumage reverses to previous color tones as humidity decreases. This discovery by Chad Eliason, ...

To find food, dazzle mates, escape predators and navigate diverse terrain, birds rely on their excellent color vision. To investigate how birds perceive their colorful world, Stoddard and her research ...

EVANSVILLE, Ind. — Birds perform amazing feats. They fly, not just across the yard but across continents. They build nests, each so distinctive that construction and location identify the builder.

Camouflage in nature is nothing new. A wide variety of animals, like rabbits, birds and deer, are cryptically colored to blend in with their background and guard themselves from predators. Now ...

The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds ...

The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds ...