Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
A cow produces around 200,000 glasses of milk in her lifetime.
373
The reindeer is the only mammal that can see UV light.
17
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Nicole Kidman is scared of butterflies.
65
Sloths take two weeks to digest their food.
243