Dolphins have names for one another.
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Lurch, a Watusi bull, had the largest horns in the world.
32
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
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