When dragonflies mate, their tails form a love heart.
22
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
When cats are happy, they may squeeze their eyes shut.
10
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Cows can sleep standing up, but they can only dream lying down.
745
A group of pugs is called a grumble.
10