Many lizard species can drop their tails to escape predators and later grow a new one!

Some fish, like bettas and goldfish, can remember faces and even respond to their human caretakers.

Cats don’t meow to communicate with each other—just with humans! Each cat develops its own special sounds for its owner.

Just like human fingerprints, a dog's nose print is one-of-a-kind and can be used for identification.