When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The largest breed of rabbit is the Flemish Giant.
65
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47