It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Female kangaroos have three vaginas.
2
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
A group of kittens is called a "kindle".
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Alligators can live up to 100 years.
337