Tigers can see 6 times better at night than humans.
305
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The Basenji dog is the only dog that is not able to bark.
4
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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