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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]
The average lifespan of a northern elephant seal is 9 years, while the average lifespan of a southern elephant seal is 21 years. [26] Males reach maturity at five to six years, but generally do not achieve alpha status until the age of eight, with the prime breeding years being between ages 9 and 12. The longest life expectancy of a male ...
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. They ...
Four species of eared seals occur in California. Guadalupe fur seal, Arctophoca townsendi; Northern fur seal, Callorhinus ursinus; Northern (Steller) sea lion, Eumetopias jubatus; California sea lion, Zalophus californianus; Order: Carnivora Family: Phocidae. Four species of earless seals occur in California. Northern elephant seal, Mirounga ...
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 ...
Along the coast of California is the California sea lion, which can grow up to seven feet long and can be found in shallow ocean water, near beaches, and among rocks. In the open ocean is the northern elephant seal, which grows up to a massive 14 feet (4.3 metres) and has a population of just over 150,000. [3]
Tracking data showed Monarch traveled well beyond what anyone thought a pup could do during its first migration.
In 1892 the last two known northern elephant seals were seen on Guadalupe Island. A few more were likely present in nearby waters. From that low point—and despite scientists killing several seals for scientific purposes—the herd increased to 366 in 1923 and 469 in 1929. [14] The population of both species has increased. In 2015, 10,000 ...