资讯

Chickens may have "bird brains," but their eyes are a different matter. When it comes to color vision ... animals. As a result, birds have more types of cones than mammals. "The human retina ...
Most people can detect a huge variety of colors—more than 1 million ... "We're using it to test color discrimination. For an animal to have color vision, what that really means is the ability ...
Scientists have long known that birds probably have better color vision than humans do. Like most primates ... in our understanding of color vision in animals,” he says. For the study, Stoddard ...
Animals are living ... says Prum. “We have a clumsy, retrofitted version of color vision. Fishes, and birds, and many lizards see a much richer world than we do." In fact, most monkeys and ...
From a rainbow after a storm to Van Gogh’s Starry Night, there’s no denying that the world looks better in color. But for color vision to have ... animals are dichromatic, and in humans ...
It’s no surprise that cats can see pretty well in the dark. We know cats are predators and remain very much in tune with ...
This so-called "orbital convergence" improves depth perception and allows monkeys and apes, including humans, to see in three dimensions. Primates also have better color vision than most animals ...
Daniel Hanley received funding from the National Geographic Society. Vera Vasas does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...
Bold hues of red, orange, yellow, blue and purple help plants and animals ... color perception that humans possess; it didn’t look at ultraviolet (UV) vision, which most insects have.
Colors are widely used in communication within and among animal ... than sexual signals, which are confined to arthropods and vertebrates. "Warning signals are at least five times more widespread.
Based on statistical analysis, the study found that color vision evolved in animals more than 100 million years ... In plants, conspicuous colors have two main functions, Wiens said, for fruits ...