From long-haired black cat breeds to hairless ones, 22 feline breeds can have all-black fur with green eyes. Below are 11 types of black cats that can have green eyes. Image by Ben Moll on Unsplash ...

The fascinating variety of cat eye colors results from some fascinating genetic interactions, development, and adaptation due ...

Any animal’s eye color is determined by its levels of two melanin pigments: eumelanin, which makes brown-black, and ...