Dogs have been man's pet for over 14,000 years.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
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In 1949, an official boxing match between a bear and a man was held. The bear won.
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