Reflective journal4

I research on dolphin for the reflective journey4. There are many types of Dolphins. The Delphinidae are both the largest family of dolphins and the largest family within the order Cetacean. They are commonly referred to as the ocean dolphins even though some still retain the name whale. The beak length and width is highly variable between the different species and types of dolphins; some members have little or no differentiated beak while others demonstrate a prominent and distinct beak. Six types of porpoises currently reside in the world's oceans all belonging to the family Phocoenidae. They include, Burmeister's Porpoise, Dall's Porpoise, the Finless Porpoise, the Harbour Porpoise, the Spectacled Porpoise and the rare Vaquita. These largely cryptic animals have drawn little attention to themselves until the later part of the 20th century when it became apparent that a large number of these animals were becoming entangled in static fishing gear. The porpoises differ from dolphins by having chiseled shaped teeth, no beak and a more triangular shaped dorsal fin.Of all the marine mammals the dolphins are among those most adapted to an aquatic way of life.
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TAKEN from http://www.whalewatchwestcork.com/types-of-dolphins.html, http://www.whalewatchwestcork.com/dolphin-research.html