Female kangaroos have three vaginas.
2
Moths are unable to fly during an earthquake.
328
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
The largest breed of rabbit is the Flemish Giant.
65
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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