It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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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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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Sloths take two weeks to digest their food.
243
Gorillas can catch human colds and other illnesses.
205
The station master and operating officer at the Kishi Station, Japan, is a cat!
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