Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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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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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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