Penguins have a gland above their eye that turns saltwater into freshwater.
12
The cat brain weighs about 30g.
167
Mosquitoes don't just bite you, they also pee on you.
11
Squirrels forget where they hide about half of their nuts.
698
The reindeer is the only mammal that can see UV light.
17
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
