Lobsters have blue blood.
476
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
The elephant brain weighs about 6,000g.
274
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23