The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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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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Rattlesnake mating sessions have been known to last more than 22 hours.
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Dogs have been man's pet for over 14,000 years.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Sharks have been on the planet longer than trees.
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