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
Spanish dialects and varieties which is the preferred form in formal settings, and is considered indispensable in academic and literary writing, the media, etc. This standard tends to disregard local grammatical, phonetic and lexical peculiarities, and draws certain extra features from the commonly acknowledged canon, preserving (for example) certain verb tenses considered "bookish" or archaic in most other dialects. Spanish dialects and varieties Some of the regional varieties of the Spanish language are quite divergent from one another, especially in pronunciation and vocabulary, and less so in grammar. While all Spanish dialects adhere to approximately the same written standard, all spoken varieties differ from