Jellyfish as a species are actually older than dinosaurs and sharks.
383
Only 3% of bird species have penises.
0
Gorillas can catch human colds and other illnesses.
205
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47