Natural history of Trinidad and Tobago in the section above on the reptilian fauna of Trinidad and Tobago, a number of species of marine turtles including the leatherback turtle, hawksbill turtle, loggerhead turtle, olive ridley turtle and green sea turtle frequent the waters around and/or nest on some of the beaches of both islands. Whales and dolphins were far more common to Trinidad and Tobago's waters in earlier times, but the very rigorous whaling industry of the 19th century decimated the population of whales in the Gulf of Paria (called 'Golfo de Balena' or Gulf of Whales by Christopher Columbus). Today, dolphins may still be regularly
Loggerhead Key Loggerhead Key Loggerhead Key is an uninhabited tropical island within the Dry Tortugas group of islands inside the Gulf of Mexico. At approximately 49 acres (19.8 hectares) in size, it is the largest island of the Dry Tortugas. Despite being uninhabited, the island receives visitors, such as day visitors and campers. The island only has a few built structures, including the Dry Tortugas Light and a lightkeeper's house that was constructed in the 1920s. The island has drinking water derived using desalination technology and solar power. The Carnegie Marine Biological Laboratory operated on Loggerhead Key from 1904 to 1939. Loggerhead