Female kangaroos have three vaginas.
2
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
The Basenji dog is the only dog that is not able to bark.
4
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 difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The male seahorse carries babies and 'gives birth' to them instead of the female.
7