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
When cats are happy, they may squeeze their eyes shut.
10
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Rattlesnake mating sessions have been known to last more than 22 hours.
232