🌄 Red crabs cover a road on Christmas Island, off the north coast of  Western Australia, as they start their annual migration from the forest  to the coast in order to breed, November 13, 2011. Picture: Sam Ellis

Red crabs cover a road on Christmas Island, off the north coast of Western Australia, as they start their annual migration from the forest to the coast in order to breed, November 13, 2011. Picture: Sam Ellis