Millions of red crabs swarm across road sand bridges in Australia
Tens of millions of red crabs have covered roads andbridges on Christmas Island as they undertake their annual migration.The crabs are travelling from the forest to the coast to spawn, the migration beginning shortly after the first rainfall of the wet season.
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Roads have been closed to protect the crabs journey to the coast. The crabs are on their way to spawn and they cover the island in Western Australia every year. The migration starts with the first rainfall of the wet season.