A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Condoms were originally made of animal intestines or linen.
347
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250