A lot of land crabs live on such islands. On Christmas Island off Australia, for instance, there is a colony of more than 100 million crabs of one species. Every year, during their migration, the sight is magnificent.
例如澳洲聖誕島上有一種陸蟹，多到上億隻，每年大遷移，壯觀至極，「如果可以在荒島上做研究，螃蟹的天敵就我一個人。」