Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Female kangaroos have three vaginas.
2
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6