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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Cats and dogs can hear ultrasound.
350