When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Early American humans hunted car-size armadillos and used their shells for houses.
12
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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Lobsters have blue blood.
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