An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Condoms were originally made of animal intestines or linen.
347
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4