The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Moths are unable to fly during an earthquake.
328
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
Nicole Kidman is scared of butterflies.
65
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11