The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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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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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dogs sometimes fake being sick to get attention.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Sharks have been on the planet longer than trees.
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