Chained dogs are 3 times more likely to bite than unchained dogs.
34
Iguanas have two penises!
55
The ant can lift things 10 times its own weight.
33
It is physically impossible for pigs to look up into the sky.
361
Dogs have four toes on their hind feet, and five on their front feet.
179
The seahorse is the only fish to have a neck.
12
Cats recognise the voice of their owner, but never evolved to care.
22
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492