Rattlesnake mating sessions have been known to last more than 22 hours.
232
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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
The largest earthworm on record was found in South Africa and measured 22 feet.
151