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Dolphins can be found in all of the world’s seas, as well as in several of the world’s greatest freshwater rivers. They are classified as cetaceans, or marine animals, like whales. Dolphins are classified into four families, with 40 extant (living) species. Thirty of these 40 species are oceanic dolphins from the Delphinidae family. The … The post The Surprising Facts About Dolphin Teeth You Need to Know appeared first on Viral Bake.
