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 ...

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 ...

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 ...