Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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The Basenji dog is the only dog that is not able to bark.
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Dogs have been man's pet for over 14,000 years.
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There's a rare breed of pig that looks like a sheep.
14
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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