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These adaptations allow elephant seals to dive to such depths and remain underwater for up to two hours. [22] Unlike some other marine mammals, such as dolphins, elephant seals do not have unihemispheric slow-wave sleep. Instead they sleep deeply for a little less than 20 minutes at the time while sinking through the water to depths that has ...
The northern elephant seal (Mirounga angustirostris) is one of two species of elephant seal (the other is the southern elephant seal). It is a member of the family Phocidae (true seals ). Elephant seals derive their name from their great size and from the male's large proboscis , which is used in making extraordinarily loud roaring noises ...
A southern elephant seal's eyes are large, round, and black. The width of the eyes, and a high concentration of low-light pigments, suggest sight plays an important role in the capture of prey. Like all seals, elephant seals have hind limbs whose ends form the tail and tail fin. Each of the "feet" can deploy five long, webbed fingers.
Cal Poly researchers tag 10 seal pups to examine migration habits. Elephant seals are migratory, with the adults swimming north along the coastline as far as Alaska and out into the northern ...
Elephant seals can reach over 13 feet in length and can weigh 4,400 pounds, or 2.2 tons, according to the National Oceanic and Atmospheric Administration. They typically live about 19 years.
Elephant seals stay at sea for between 2 and 8 months and dive continuously, spending 90% of their time underwater and averaging 20 minutes per dive with less than 3 minutes at the surface between dives. Their maximum dive duration is about 2 hours and they routinely feed at depths between 300 and 600 meters (980 and 1,970 feet), though they ...
Elephant Seals tend to live in the eastern and central North Pacific Ocean. They can live as far north as Alaska. But Elephants don't stay in the same place their whole lives. These seals can move ...
Phocids such as elephant seals, grey seals and hooded seals have a lactation period that lasts days or weeks, during which they fast and nurse their pups on land or ice. The milk of these species consists of up to 60% fat, allowing the young to grow quickly. Each day until they are weaned, northern elephant seal pups gain 4 kg (9 lb).