Through satellite tracking of both the herd and the lions in the area, they will be able to determine if their psychological trickery will work to help keep farmers from shooting lions.

The Coast Guard, which failed to watch the errant course of the Exxon Valdez, now has a sophisticated satellite tracking system for maritime traffic past the straits.

Over five years, the researchers tagged 25 females with satellite tracking devices strapped or drilled to their shells as they left their hatching grounds in Africa to seek food across the Atlantic.