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Marine mammals have special adaptations that allow them to live a life in the ocean. Some marine mammals can split their time between land and sea, while some must spend their entire life at sea. In this article, we will be covering the different types of marine mammals.
Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans ( whales , dolphins and porpoises ), pinnipeds ( seals , sea lions and walruses ), sirenians ( manatees and dugongs ), sea otters and polar bears .
Feb 1, 2019 · They are a diverse group of mammals with unique physical adaptations that allow them to thrive in the marine environment with extreme temperatures, depths, pressure, and darkness. Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea.
List of marine mammal species. Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. [1] .
- Baleen whales (suborder Mysticeti) A North Atlantic right whale with mouth open to show baleen. Photo: © Nick Hawkins.
- Toothed whales (suborder Odontoceti) A harbor porpoise spotted just off the Grand Manan Island in the Bay of Fundy, Canada. Photo: Ari Friedlaender / © IFAW.
- Sea cows (Sirenia) Dugong swimming underwater.
- Pinnipeds. A juvenile harbor seal resting on a jetty. Photo: Andrea Spence / © IFAW.
Dec 1, 2020 · What are marine mammals? Marine mammals are warm-blooded vertebrates (animals with a backbone) that bear live young and nourish them with milk as land mammals do, but that spend most or all of their lives in the ocean.
Feb 4, 2019 · Marine mammals are a fascinating group of animals, and come in a wide variety of sizes and shapes, from the sleek, streamlined, water-dependent dolphins to the furry seals that haul out on the rocky coast. Learn more about the types of marine mammals below.
