Early American humans hunted car-size armadillos and used their shells for houses.
12
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
A dairy cow can produce more milk when listening to music.
446
The elephant brain weighs about 6,000g.
274
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
There's a rare breed of pig that looks like a sheep.
14
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9