One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Lobsters have blue blood.
476