Early American humans hunted car-size armadillos and used their shells for houses.
12
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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A dairy cow can produce more milk when listening to music.
446
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.
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Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10