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
Dogs have been man's pet for over 14,000 years.
224
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Lurch, a Watusi bull, had the largest horns in the world.
32
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11