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Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short and thick hair, and a big chest and belly. Together with the fur seals, they make up the family Otariidae, eared seals. The sea lions have six extant and one extinct species (the Japanese sea lion) in five genera.
The Steller sea lion (Eumetopias jubatus), also known as Steller's sea lion or the northern sea lion, is a large, near-threatened species of sea lion, predominantly found in the coastal marine habitats of the northeast Pacific Ocean and the Pacific Northwest regions of North America, from north-central California to Oregon, Washington and British Columbia to Alaska.
Genus Neophoca – Gray, 1866 – one species Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population Australian sea lion. N. cinerea (Péron, 1816) Southwestern Australian coast: Size: Male: 180–250 cm (71–98 in) long; 180–250 kg (397–551 lb)
Wilson & Reeder classified the three populations as separate species. A molecular genetic study by Wolf et al. (2007) came to the same conclusion based on mitochondrial DNA and cell nucleus DNA SNPs. Furthermore, according to a molecular clock reconstruction, the Californian and Galápagos sea lions separated around 2.3 (± 0.5) million years ago.
The South American sea lion (Otaria flavescens, formerly Otaria byronia), also called the southern sea lion and the Patagonian sea lion, is a sea lion found on the western and southeastern coasts of South America. It is the only member of the genus Otaria. The species is highly sexually dimorphic. Males have a large head and prominent mane.
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Seals, sea lions, and walruses are well-known examples of pinnipeds. In addition to inspiring the names for many sports teams (such as the three sports teams in the San Francisco, California area known as "the Seals" [1]), pinnipeds have also inspired a number of fictional characters, creatures, and entities across human culture and media.
Australian sea lions on the beach at the Seal Bay Conservation Park on Kangaroo Island, South Australia. The Australian sea lion is a pinniped, most closely related to other species of sea lions and fur seals making up the family Otariidae. [5] These mammals use their flippers to propel themselves in water and can walk on land with their flippers.