Early American humans hunted car-size armadillos and used their shells for houses.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Female kangaroos have three vaginas.
2
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5