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 ...

FILE - In this Sept. 26, 1997, file photo, a handler holds Tuatahi, a 3 week old Kiwi bird, the first kiwi born at Sydney's Taronga Zoo for more than 26 years. Scientists say they have sequenced the ...

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 ...

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 ...

To find food, dazzle mates, escape predators and navigate diverse terrain, birds rely on their excellent color vision. “Humans are color-blind compared to birds and many other animals,” said Mary ...