The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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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
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
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Gorillas can catch human colds and other illnesses.
205
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4