The male seahorse carries babies and 'gives birth' to them instead of the female.
7
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
The Basenji dog is the only dog that is not able to bark.
4
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Nicole Kidman is scared of butterflies.
65
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13