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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 ().
The walrus's body shape shares features with both sea lions (eared seals: Otariidae) and seals (true seals: Phocidae). As with otariids, it can turn its rear flippers forward and move on all fours; however, its swimming technique is more like that of true seals, relying less on flippers and more on sinuous whole body movements. [5]
Pinnipedia (seals, sea lions, and walruses clade) is a widely distributed and diverse group of semiaquatic marine mammals which is closely related to an extinct group of pinnipeds, Enaliarctos. While support for the monophyly of pinnipeds is strong, the relationship of pinnipeds to terrestrial mammals is still unclear.
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A male California sea lion weighs on average about 300 kg (660 lb) and is about 2.4 m (8 ft) long, while the female sea lion weighs 100 kg (220 lb) and is 1.8 m (6 ft) long. The largest sea lions are Steller's sea lions , which can weigh 1,000 kg (2,200 lb) and grow to a length of 3.0 m (10 ft).
The neurotoxin domoic acid is blamed for the extreme distress and deaths of many sea lions along the Central Coast, as well as the deaths of two dolphins and two seals. Scores of reports of sick ...
They have been documented in the Arctic by the Inuit and by European explorers, both on land and at sea. The Greenland Inuit refer to the red walrus as saanniartoq, "the one who turns against one". [1] Walruses are most known to attack people in boats, and can cause serious harm with their tusks or by capsizing the boat or kayak.
While sea lions, or eared seals, are often seen at certain beaches up and down the California coast, local residents say they have never seen so many of the marine mammals gathered in Monter.