Their model found that the ancestor of all cats must have had gray and brown eyes, and the gray enabled other colors to later ... study have suggested different possible explanations.

Most species have a singular eye color with no variation. So, it's really surprising that once you get into the cats—lions, tigers, panthers, etc.— we see all these different eye colors.

Wild cats showcase a stunning diversity of eye colors, proving a mystery for researchers because most wild species are known to have narrow eye color schemes (usually black, brown or yellow).

More From Newsweek Vault: Compare Affordable Pet Insurance Plans Rachel, who didn't give a surname, said that Clementine's natural eye color has ... the "Halloween cat" all dressed for the season ...

Esmé’s Mom DEAR ESME’S MOM: I, too, have fallen into reverie staring into the eyes of a cat. My experience with our therapy cat Spencer is similar to yours with Esmé. Spencer is an all-black ...

"All kittens are born with blue eyes and at about 6 weeks of age they begin to develop their adult color" and "feral cats typically have hazel colored eyes." Some cats may even have one blue eye ...

While big cats ... at all, Kornreich explains, “but they don't see them with the same richness of hue.” This richness of hue is known as saturation. Certain colors in Lamm’s cat-eye ...

complementing nearly all eye shapes and colors by creating the illusion of a lush lash line. Achieving the cat-eye makeup look is pretty quick, but some might struggle to get it right. We're here ...