The lifespan of mammals is about 1 and a half billion heartbeats.
127
The flea can jump 350 times its body length, that is like a human jumping the length of a football field.
32
The seahorse is the only fish to have a neck.
12
There's a breed of cat called Munchkin and they have tiny legs.
13
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A group of geese on the ground is a gaggle, a group of geese in the air is a skein!
19
When it comes time to give birth, the female shark loses her appetite so she won't be tempted to eat her own pups.
280