Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Drivers kill more deer than hunters do.
660
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47