A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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The seahorse is the only fish to have a neck.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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