The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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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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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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Domestic pigs average a top speed of about 11 miles per hour.
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Gorillas can catch human colds and other illnesses.
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