If optimists see the world through rose-colored lenses, some birds see it through ultraviolet ones. Avians have evolved ultraviolet vision quite a few times in history, a new study finds. Birds depend ...

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 trained wild hummingbirds to ...

"Contributions have been based around presentations at the Second European Conference of Avian Colour Vision and Coloration, in Paris"--P. S2. "Supplement to The American naturalist, volume 169, ...

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 ...

From performing intricate surgeries or hitting baseballs that come at us at 100 miles per hour, we humans might think that we have pretty decent vision. But according to a recent study published in ...

In this episode of The Highlights, we're joined by Mary Caswell (Cassie) Stoddard, a professor in the Department of Ecology and Evolutionary Biology (EEB). We discuss her career in sensory ecology and ...

BERLIN - Scientists say they have sequenced the genome of the brown kiwi for the first time, revealing that the shy, flightless bird likely lost its ability to see colors after it became nocturnal ...

Researchers have spent three years studying hummingbirds to deduce whether they can distinguish between spectral and nonspectral colors. A newly published paper has confirmed that these incredible ...