Authorities report progress in controlling pests – the yellow ant invaders – that are threatening the charismatic crustaceans

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Christmas Island’s red crabs begin their famed annual migration as authorities report progress to control pests threatening the charismatic crustaceans.

More than 100 million red crabs making their annual trek from Christmas Island’s rainforest to the coast are creating a migration spectacle that occupies countless bucket lists.

Their dominance of the landscape is an eye-catching phenomenon loved by tourists and treasured by residents.