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
Sharks have been on the planet longer than trees.
14
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8