When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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There's a rare breed of pig that looks like a sheep.
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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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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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