Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The lifespan of mammals is about 1 and a half billion heartbeats.
127
Baby rabbits are called kittens.
6
The venom of a small scorpion is much more toxic than the venom of a large scorpion.
60
At one 'feeding', a mosquito can absorb one and a half times its own weight in blood.
-1
A dork is a whale's penis.
327
Roosters can't crow if they can't fully extend their necks.
28