"We're going to focus all our efforts on finding out if the temperature has indeed increased enough to affect the turtle," says oceanographic researcher Diego Lopez from a ship off the coast in the Gulf of Ulloa, in the state of Baja California Sur. Lopez is part of a Mexican Navy scientists conducting a government-funded study to determine the causes behind the deaths of hundreds of loggerhead sea turtles, an endangered species that lives in the waters of the Pacific Ocean. IMAGES AND SOUNDBITES