The elephant brain weighs about 6,000g.
274
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
There's a rare breed of pig that looks like a sheep.
14
Mosquitoes don't just bite you, they also pee on you.
11