Mosquitoes don't just bite you, they also pee on you.
11
When cats are happy, they may squeeze their eyes shut.
10
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
When dragonflies mate, their tails form a love heart.
22
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
A group of pugs is called a grumble.
10
The Basenji dog is the only dog that is not able to bark.
4