Early American humans hunted car-size armadillos and used their shells for houses.
12
Whales and dolphins can't taste anything other than salt.
11
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Condoms were originally made of animal intestines or linen.
347
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
A dairy cow can produce more milk when listening to music.
446
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