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Pinnipedia is an infraorder of mammals in the order Carnivora, composed of seals, sea lions, and the walrus. A member of this group is called a pinniped or a seal. [a] They are widespread throughout the ocean and some larger lakes, primarily in colder waters.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Taxonomic group of semi-aquatic mammals Pinnipeds Temporal range: Latest Oligocene – Holocene, 24–0 Ma Pre๊ ๊ O S D C P T J K Pg N Clockwise from top left: Grey seal (Halichoerus grypus), Steller sea lion (Eumetopias jubatus), New Zealand fur seal (Arctocephalus forsteri ...
Andre the Seal (1961–1986), [1] a harbour seal who was found off in Penobscot Bay, Maine, United States. Hoover (c. 1971 –1985), a harbour seal who imitated basic human speech. Midge the Sea Lion (1985–2010), a resident of Oklahoma City Zoo; Mum (sea lion), the first sea lion to give birth in mainland New Zealand for over a century.
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). 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.
Compared to terrestrial mammals, sea lions have a higher tolerance to storing CO 2 which is what normally tells mammals that they need to breathe. [12] This ability to ignore a response to CO 2 is likely brought on by increased carotid bodies which are sensors for oxygen levels that let the animal know its available oxygen supply. [12]
The harbor (or harbour) seal (Phoca vitulina), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared seals, and true seals), they are found in coastal waters of the northern Atlantic and Pacific oceans, Baltic ...
Global efforts such as the Southern elephant seals as oceanographic samplers [43] and the Marine Mammals Exploring the Oceans Pole to Pole projects [44] have led to the collection of a large suite of long-term coupled behavioural-oceanographic data. As part of these projects, satellite-relay data loggers were attached to southern elephant seals ...
An eared seal, otariid, or otary is any member of the marine mammal family Otariidae, one of three groupings of pinnipeds. They comprise 15 extant species in seven genera (another species became extinct in the 1950s) and are commonly known either as sea lions or fur seals , distinct from true seals (phocids) and the walrus ( odobenids ).