Sloths take two weeks to digest their food.
243
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A group of kittens is called a "kindle".
10
A scorpion can hold its breath for up to 6 days.
19
Lobsters have blue blood.
476