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 ...

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 ...

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 ...