There are approximately three chickens for every human on Earth.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
9
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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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!)
11