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Marine Mammals: This category refers to mammals that are adapted to life in the marine environment, specifically those found in oceans and seas. These mammals possess several unique features that enable them to thrive in this challenging habitat. They have streamlined bodies for efficient swimming, as well as specialized limbs or flippers for maneuverability underwater. Additionally, many marine mammals exhibit behaviors such as diving, surfacing, and porpoising. Marine mammals are a subset of the larger category of pinnipeds, which includes seals, sea lions, and walruses. Pinnipeds are characterized by their flipper-like limbs, which allow them to move gracefully both on land and in water. While all marine mammals are pinnipeds, not all pinnipeds are marine mammals; some species, such as the Baikal seal and the Caspian seal, live in freshwater environments. Marine mammals also fall under the broader categories of mammals and animals, reflecting their status as warm-blooded vertebrates that nurse their young with milk. As members of the Mammalian Orders, marine mammals share certain characteristics with other mammals, such as hair, mammary glands, and a four-chambered heart. Overall, marine mammals are a fascinating group of animals that have evolved remarkable adaptations for life in the ocean. Through their diverse forms and behaviors, they offer valuable insights into the incredible diversity of life on Earth.