The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
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