The most expensive cow in the world was sold in 2009 for $1.2 million.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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A 42-foot sperm whale has about 7 tons of oil in it.
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A cow produces around 200,000 glasses of milk in her lifetime.
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A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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