A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Cats recognise the voice of their owner, but never evolved to care.
22
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A dork is a whale's penis.
327
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5