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 ...

Aug. 29 (UPI) --According to a new study, some birds of prey can detect contrasts between objects at a greater distance than humans -- but only if the object is a different color than the background.

image: In many cases it is the color of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists at Lund University in Sweden show that the Harris's hawk has ...

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 ...

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 ...

BERLIN (AP) — 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 ...

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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 ...

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 ...

Wild turkeys have incredible eyesight. Their ability to sense a predator, like a hunter leaning back against a tree, is uncanny. Turkey vision can seem even supernatural at times. But really, it’s ...

A gene for red colour vision that originated in the reptile lineage around 250 million years ago has resulted in the bright red bird feathers and 'painted' turtles we see today, and may be evidence ...

In many cases it is the color of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists show that the Harris's hawk has the best color vision of all animals ...