An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The seahorse is the only fish to have a neck.
12
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The largest earthworm on record was found in South Africa and measured 22 feet.
151