



Red crabs begin their march from the forest to the sea, where they will reproduce



A female crab expels eggs from her brood pouch

After two weeks of marching, the first wave of crabs reaches the ocean


The weary travellers dip in the ocean to replace body fluids and salts


There are around 120 million crabs on the march


Red crabs are scavengers

During the migration, the island's human inhabitants just have to adapt

Aerial view of Christmas Island

Location of Christmas Island

Christmas Island rainforest

Baby crabs navigate their way into the rainforest ... and the ants

The crabs navigate the same pathways year after year

The eggs hatch immediately on contact with the water



Red Crab Video
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