Sheep, goats, octopuses, and toads have rectangular pupils.
7
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Sharks have been on the planet longer than trees.
14
In Australia, there are spiders big enough to eat snakes.
20
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10