Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

Mirrors always leave dogs a little confused until they get used to seeing their reflection around the house. In a recent video, a puppy was left thoroughly confused after seeing his reflection in a ...

You've heard about "being scared of your own shadow," but what about your own reflection? A kitten got the shock of its life after discovering mirrors for the first time, challenging his furry ...

Have you ever heard of the 'cat mirror theory'? It's the idea that when cats see their reflections in a mirror that they don't recognize themselves and instead think they're looking at another cat.

After five years of living, one might think cats have learned all they can, but a cat named Butters has shown he is still discovering things, and himself, at this stage in life. Butters lived in ...