The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
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Cats recognise the voice of their owner, but never evolved to care.
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Vanilla flavoring is sometimes made with an ingredient from beaver pee.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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There's a rare breed of pig that looks like a sheep.
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