When people think of a smart animal, a fish rarely comes to mind. But fish can be smart too, in ways that might surprise you.

Dogs are smarter than cats, according to new research, but how do other species' IQs match up against each other? The Daily Beast pits dolphins vs. chimps, pigs vs. dogs, and more. Gallery: Animal IQ ...

Crows have roots in folklore and mythology because of how intelligent they are - so intelligent, in fact, that they're considered one of the world's smartest animals. While we may never know how they ...

You'll be surprised by all the smart pets out there! From cats to cows and more, we're sharing real stories of our readers' brilliant animals. If you’re curious about the smartest animals around, ...