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11 de jun. de 2024 · They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared seals: sea lions and fur seals), and Phocidae (the earless seals, or true seals), with 34 extant species and more than 50 extinct species described from fossils.
27 de may. de 2024 · The seal’s paddle-shaped flippers and unique physiology enable it to thrive in even the most perilous aquatic conditions. It is an inquisitive, social, and communicative mammal adapted to living on both land and sea. Once hunted relentlessly, its numbers have been on the rise for several decades.
5 de jun. de 2024 · Elephant seal, either of the two largest pinnipeds (aquatic mammals of the suborder Pinnipedia): the northern elephant seal (species Mirounga angustirostris), now found mainly on coastal islands off California and Baja California; or the southern elephant seal (M. leonina), found throughout.
14 de jun. de 2024 · 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. They are an informal group, unified only by their reliance on marine environments for feeding and survival.
11 de jun. de 2024 · The Hawaiian monk seal is one of the most endangered seal species in the world. The population overall has been declining for over six decades and current numbers are only about one-third of historic population levels. Importantly, however, the prol.
27 de may. de 2024 · Harbor seals live in the northern hemisphere, and their habitat ranges from the Pacific Ocean to the Atlantic Ocean, the southeastern part of the Bering Sea, and north to the Barents Sea in the Arctic Ocean.
24 de may. de 2024 · Seals are successful marine predators found in oceans around the world. But their current diversity is just a snapshot of the species that used to exist. A new study has now explored the evolutionary history of living and fossil seals, revealing in the process how walruses had extraordinary periods of speciation followed by extinction.
