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Elephant seals spend the majority of their life (90%) underwater in search of food, and can cover 100 kilometres (60 miles) a day when they head out to sea. [11] When elephant seals are born, they can weigh up to 36 kilograms (79 pounds) and reach lengths up to 122 cm (4 ft 0 in). [11]
The northern elephant seal population was estimated to be 171,000 in 2005. [ 1 ] Beginning in the 18th century, northern elephant seals were hunted extensively, almost to extinction by the end of the 19th century, being prized for oil made from their blubber , and the population may have fallen as low as only 20-40 individuals. [ 1 ]
Southern elephant seal harem on a beach on the Kerguelen Islands. Southern elephant seal world population was estimated at 650,000 in the mid-1990s, [1] and was estimated in 2005 at between 664,000 and 740,000. [18] Studies have shown the existence of three geographic subpopulations, one in each of the three oceans.
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.
Pinnipeds range in size from the 1.1 m (3 ft 7 in) and 50 kg (110 lb) Baikal seal to the 6 m (20 ft) and 3,700 kg (8,200 lb) male southern elephant seal, which is also the largest member of Carnivora. [1]
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 ...
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This variation could be a result of unequal sex ratios, high variance in family size, inbreeding, or fluctuating population size. [1] The smaller the population, the greater the probability that fluctuations will lead to extinction. An elephant seal harem has 1 male to 100 females resulting in an effective population size of only 4.