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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 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] This list follows the Society's taxonomy regarding and subspecies.
Presenting this List as the most reasoned inventory of “marine mammal” biodiversity, I happily explain to my students that, because of phylogenetic proximity, several non-marine species are included (e.g., Inia geoffrensis, Sotalia fluviatilis, Platanista gangetica, Trichechus inunguis, Pusa sibirica).
Feb 1, 2019 · Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and walruses), sirenians (manatees and dugongs), and marine fissipeds (polar bears and sea otters).
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 .
Dec 5, 2023 · The five main groups of marine mammals are baleen whales, toothed whales, sea cows, pinnipeds, and marine fissipeds. What is a marine mammal? Marine mammals have all the characteristics you’d expect from a mammal. They breathe air, are warm-blooded, produce milk, and give birth to live young.
Feb 4, 2019 · Learn about types of marine mammals, including whales, dolphins, porpoises, sirenians and pinnipeds, with facts about each.