The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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Only 3% of bird species have penises.
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Dogs have been man's pet for over 14,000 years.
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A group of pugs is called a grumble.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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A domestic cat can sprint at about 31 miles per hour.
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