Jellyfish as a species are actually older than dinosaurs and sharks.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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Sharks have been on the planet longer than trees.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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