Animal Brainiacs: The World's Smartest Animals

7. Crows

Crows know how to take advantage of the modern world. Lots of birds drop shellfish from a height to break them open, but crows go one better. These smart avians drop them on roads, wait for cars to drive over and smash them and then swoop down to feast. Scientists have observed crows not only using tools but actually making them out of sticks and wire. And if you think you’ve heard a crow laughing at you, you probably have; like parrots, crows can imitate human sounds.