You've heard of the Christmas Island red crab migration. But what about the blue one? Christmas Island's blue crab migration is low key, even for locals.

The local authority even builds “crab bridges,” long, narrow overpasses spanning roads to help crabs cross safely. “Parks Australia’s Christmas Island staff work with the community ...

crab pants, I've got the tattoos; really anything with crabs on it, I've got," she said. Each year about 150 million red crabs migrate on Christmas Island, 2,600 kilometres off the West Australian ...