Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Jellyfish as a species are actually older than dinosaurs and sharks.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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A 42-foot sperm whale has about 7 tons of oil in it.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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