Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A cow produces around 200,000 glasses of milk in her lifetime.
373
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Alligators can live up to 100 years.
337
Parrot parents "name" their children with a signature call.
112
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
There's a lizard known as the 'Jesus Lizard' that can run across water.
11