Every summer, the remote Christmas Island, located off the coast of mainland Australia, becomes the stage for one of nature’s most extraordinary phenomena: the annual migration of millions of red crabs. This year, an estimated 50 million crabs have begun their journey from the island’s lush forests to the shoreline, where they will lay their eggs. The migration, a critical part of the crabs’ life cycle, transforms the island into a vibrant sea of red as the crustaceans scuttle across roads, trails, and even human-made structures. Local authorities have implemented measures to protect the crabs, including road closures and specially constructed crab bridges, ensuring their safe passage. This natural spectacle not only highlights the island’s unique biodiversity but also draws tourists and researchers from around the globe, eager to witness this awe-inspiring event. The migration typically lasts several weeks, culminating in the release of crab larvae into the ocean, where they will begin their own journey of survival and growth.