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 ...

Many types of birds — such as hummingbirds, peacocks and parrots — are vividly colorful, but birds-of-paradise are especially flamboyant with hues of emerald, lemon, cobalt and ruby. Now, research has ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Many types of birds ...

We like to think that animals follow the crowd. If most of the group does something, surely the individual will copy. But ...

Bird diagram from the 1886 'A nomenclature of colors for naturalists : and compendium of useful knowledge for ornithologists' by Robert Ridgway (via Smithsonian Libraries) Colors in the 1912 'Color ...

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.

During his notable trip to the Galápagos Islands, Charles Darwin collected several mockingbird specimens on different islands in the region. He later discovered that each island only contained a ...