A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Lobsters have blue blood.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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A group of unicorns is called a blessing.
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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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