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 hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The head of a jellyfish is called the "Bell."
6
Condoms were originally made of animal intestines or linen.
347