Cats and dogs can hear ultrasound.
350
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
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Alligators can live up to 100 years.
337
Sharks have been on the planet longer than trees.
14