It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
Lobsters have blue blood.
476