The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
There is a tiger named Kenny who is the only known tiger to have downs syndrome.
10
A group of ferrets is called a business.
6
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
Hummingbirds can't walk.
32
Elephants are the only animals that can't jump.
1
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4