When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Cows can sleep standing up, but they can only dream lying down.
745
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
The Basenji dog is the only dog that is not able to bark.
4
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4