The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Alligators can live up to 100 years.
337
Sharks have been on the planet longer than trees.
14
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Only 3% of bird species have penises.
0