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
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
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Condoms were originally made of animal intestines or linen.
347