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
Bats sleep 18-20 hours per day.
5
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
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
In Australia, there are spiders big enough to eat snakes.
20
Alligators can live up to 100 years.
337
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13