The oldest recorded elephant lived for 82 years.
213
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Dogs have been man's pet for over 14,000 years.
224
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255