Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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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 oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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