A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sharks have been on the planet longer than trees.
14
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Lobsters have blue blood.
476