In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Condoms were originally made of animal intestines or linen.
347
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205