What would you think if I told you that conservationists and managers have improved the health of oceans and land on small islands by eradicating invasive rats? Researchers are now focusing on managing the biodiversity of the land-sea interaction on small islands to help protect biodiversity and the evidence points to success. Many of the studies focus on eradicating invasive species (such as rats) to protect seabirds and crabs that traverse both land and the sea.