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Swarming red crabs on Christmas Island

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Baby red crabs emerging from the ocean on Christmas Island National Park. Video still from ParksAustralia via YouTube.

Baby red crabs emerging from the ocean on Christmas Island National Park. Video still from ParksAustralia via YouTube.

L.A.'s Afternoon News: Maggie McKay and Michael Shappee
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For some strange reason, red crabs swarming the location of Christmas Island has jumped back up into the trending topics on Yahoo, Google, and more as of Monday, March 25, 2013. The story first broke from National Geographic back in 2010, but it appears as if the world wants to know more about this strange phenomenon.

A study back in 2010 solves a longstanding mystery as to why red crabs migrated all over the area known as Christmas Island. There would actually be swarms so bad that they would make the beaches look like giant red spots from the sky.

Study co-author Lucy Turner said that the normally sedentary species has the stamina to “undergo one of the most arduous migrations on Earth.”

The numbers of crabs that have annually swarmed onto Christmas Island has approached the millions, and the migration lasts for several days. The crabs end up in high rain forest plateau areas and then all the way down to Indian Ocean beaches where they mate in burrows.

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