A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sharks, like other fish, have their reproductive organs in their chests.
248
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Lobsters have blue blood.
476
A dairy cow can produce more milk when listening to music.
446