Alligators can live up to 100 years.
337
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
The seahorse is the only fish to have a neck.
12
The octopus does not have a blind spot.
273
Female kangaroos have three vaginas.
2