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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A group of pugs is called a grumble.
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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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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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Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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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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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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