Dogs sometimes fake being sick to get attention.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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).
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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