From velvety purples to fiery reds, many people can see a spectrum of vivid colors via the human eye. Others, however, may have limited hue perception due to certain conditions. Animals, on the other ...

One of the most common adaptations seen in the animal kingdom is vision. Nearly 96% of all animals have some kind of eyes and they've proven so evolutionary advantageous that they've evolved multiple ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...

Dogs inspire an enormous amount of curiosity about how they interpret the world, and their vision remains one of the most misunderstood areas of canine science. The common belief that dogs see only in ...

As much as we like to impose human personalities on our pets, cats are pretty different from us: They walk on four legs, wear fur coats year-round and constantly lick themselves clean. Though we ...