In Australia, there are spiders big enough to eat snakes.
20
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Cats and dogs can hear ultrasound.
350