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 ...

The fascinating variety of cat eye colors results from some fascinating genetic interactions, development, and adaptation due to evolution. To fully understand how cats develop their distinctive eye ...

We humans certainly know that there’s a lot going on in the lives of cats and dogs that differs from ours. We even have a specific term to describe how they age—and here’s what “cat years” and “dog ...