Dolphins sleep with one eye open. See more

It is physically impossible for pigs to look up into the sky. See more

In rural areas, there are more insects in 1 square mile than there are humans on earth. See more

An octopus can change its shape and color to blend in with its surroundings. See more

It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them! See more

The animal that lived longest of all was a turtle. It lived to become the respectable age of 188 years. See more

Over 10,000 birds a year die from smashing into windows. See more

A group of crows is called a murder. See more

An Octopus has 3 hearts. See more