Updates? Some coastal species of oceanic dolphins spend considerable amounts of time in fresh water. Yes it is a mammal because it feeds its young ones with its mammary glands. Because of their body form, however, cetaceans were commonly grouped with the fishes. Dolphins are mammals, not fish. The name dolphin is also applied to members of the fish genus Coryphaena (family Coryphaenidae). Distributed in marine environments worldwide, they range from equatorial to subpolar waters and also can be found in many major river systems. While these marine mammals are known to share the ocean with fish for millions of years they are very different from one another and posses unique characteristics that make them unique among the many different ocean bearing animals. The answer is YES, a dolphin IS a mammal. Dolphins, along with whales and porpoises, are members of a group of mammals called Cetacea. Despite spending their lives almost completely underwater, and appearing in most ways like fish, they are actually mammals. On this page you’ll find out the answer to this often-asked question! A mammal is a member of the class Mammalia. Living in pods that can number a dozen or more, dolphins are intensely social mammals that communicate with squeaks, whistles, and clicks. Again, it is thought that these may provide sensory information to make up for the animals’ poor eyesight. However, they do have hair follicles. Whales are a source of meat, fats, and oils, hormones such as insulin, and chemicals. Map of the geographic home ranges of three South American river dolphin species. That capability has been observed only in higher primates and a few other animal species. (Hair follicles are the organs within a mammal’s skin that produce hair.). The Eastern Spinner Dolphin is distinguished by its triangular dorsal fin and uniform gray color. Cetaceans are entirely carnivorous, although…, cetaceans as whales, porpoises, and dolphins, as well as seals and walruses. American Badger Facts, Pictures & In-Depth Information, Rodent Facts: The Ultimate Guide To The Order Rodentia, Scary Animals List With Pictures & Facts Plus FREE Printable Halloween Animal Quiz. Members of this group are known as Cetaceans. You can find out more about mammal characteristics here: What Is A Mammal? You’ve also found out that dolphins are members of a group of animals called Cetacea, and that all Cetaceans are related to hooved animals. Dolphin, any of the toothed whales belonging to the mammal family Delphinidae (oceanic dolphins) as well as the families Platanistidae and Iniidae, the two that contain the river dolphins. Most river dolphins live in fresh water that may be several thousand kilometres from the sea, although some spend their lives in coastal waters. Follow the link below to find out more and to sign up! Of the nearly 40 species of dolphins in the Delphinidae, 6 are commonly called whales, including the killer whale and the pilot whales. These include: having lungs for breathing air, having a backbone, and the female of the species giving birth to live young and feeding their young with milk.
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