More than 120 millionred crabs can be found on the rain forest floor of Christmas Island. Red crabs live alone in dirt burrows, or deep rock crevices. Crabs stay in the shade of their dwelling for most of the year.
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Despite its great numbers, Christmas Island red crabs are not considered edible, at least not edible to humans.
When does the red crab migration occur? The migration starts with the first rainfall of the wet season. This is usually in October or November, but can sometimes be as late as December or January. Red crabs all over the island leave their homes at the same time and start marching towards the ocean to mate and spawn.
Christmas Island began appearing on the charts of English and Dutch navigators from the early 1600s. But it wasn't until 1643 that Captain William Mynors of the British East India Company named the island after sighting it on Christmas Day.