When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Rattlesnake mating sessions have been known to last more than 22 hours.
232
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19