Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The cat brain weighs about 30g.
167
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Giant Anteaters' front legs look like a panda.
48
Whales and dolphins can't taste anything other than salt.
11
The largest earthworm on record was found in South Africa and measured 22 feet.
151