The seahorse is the only fish to have a neck.
12
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
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
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
The head of a jellyfish is called the "Bell."
6
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
There are approximately three chickens for every human on Earth.
13
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20