The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
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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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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
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