northern elephant seal facts

Males can impregnate up to 50 females in one season. About 100,000 northern elephant seals off the Pacific Coast today are all descendants of a single colony of fewer than 100 that survived the slaughter of 19th-Century hunters. In elephant seal …of the suborder Pinnipedia): the northern elephant seal (species Mirounga angustirostris), now found mainly on coastal islands off California and Baja California; or the southern elephant seal (M. leonina), found throughout sub-Antarctic regions.Elephant seals are gregarious animals named for their size and for the male’s inflatable, trunklike snout. Northern elephant seals are found in the North Pacific, from Baja California, Mexico to the Gulf of Alaska and Aleutian Islands. Males and females make separate biannual foraging migrations. The breeding season occurs from December through March. The southern elephant seal is not endangered, and its conservation status is ‘Least Concern’. Several days after coming onto the beaches, the females give birth to the pups they have been carrying since last year. They dive to depths of 300-800 meters and dives can last up to 2 hours. The Northern Elephant Seal is smaller than those from the Southern part of the world. Do southern elephant seals have any predators? Northern elephant seals spend most of the year, about 9 months, in the ocean and can only be seen on land during pupping season. These seals range in color from light gray to dark black. Elephant seals do not generally breed in Oregon, however there are a number of breeding sites in … Total population size increased at a rate of 3% from 1991 to 2005. Facts. Males of both species attain a length of approximately 6.5 metres (21 feet) and a weight of about 3,530 kg (7,780 pounds) and are much larger than the females, which grow to 3.5 metres and weigh 900 kg. During that period of time they will live off the fat on their bodies. Northern elephant seals are large and imposing, with significant differences in size and shape between sexes (sexual dimorphism). At this time females will mate with one or more of the dominant males and then return to sea. For the next two months, weaned pups, called "weaners. Each winter elephant seals arrive at their breeding beaches in Mexico and California. Male elephant seals can be easily identified by their large proboscis, which resembles an elephant’s trunk (and is the source of their name). Northern elephant seals are exceptional divers.—sometimes diving deeper than 4900 feet and remaining submerged for 1-2 hours. The number of Northern Elephant Seals is very low due to being hunted by humans. Northern elephant seals are not presently endangered. 3, Reproduction Each year, elephant seals molt the skin and fur above the blubber. Adult males use their large, inflatable noses during the winter breeding season to resonate sound when vocally threatening each other. The two species of elephant seals are southern elephant (Mirounga leonina) and northern elephant (Mirounga angustirostris) seals.Southern elephant seals are larger than the northern ones.. The northern elephant seal, Mirounga angustirostris, is the second largest seal in the world. In both sexes, the body is long and robust, and the neck very thick. Due to its unique body structure, this mammal is an excellent swimmer and diver. Adult males may grow to over 13 feet in length and weigh up to 5,000 pounds while females are smaller, growing up to 10 feet and weighing up to 1,700 pounds. Within a year, the coat will turn silvery brown. Male seals can weigh up to 4.5 tons. Northern elephant seals (Mirounga angustirostris) Elephant seals are found occasionally in Oregon either resting or molting (shedding their hair) on sandy beaches. Due to its unique body structure, this mammal is an excellent swimmer and diver. Elephant seals are large, oceangoing earless seals in the genus Mirounga.The two species, the northern elephant seal (M. angustirostris) and the southern elephant seal (M. leonina), were both hunted to the brink of extinction by the end of the 19th century, but their numbers have since recovered.. Northern elephant seal skull on display at the Museum of Osteology, Oklahoma City, Oklahoma The huge male northern elephant seal typically weighs 1,500–2,300 kg (3,300–5,100 lb) and measures 4–5 m (13–16 ft), although some males can weigh up to 3,700 kg (8,200 lb). Pups are born with a woolly black lanugo (downy hair) that is shed at about 3 weeks of age to reveal a silver-grey coat, similar to that of adults at about the time of weaning (28 days). During this time, dominant males will often inflate their noses and produce a noise that sounds like a drum to warn lesser males away. They lack external ear flaps and move on land by flopping on their bellies. Each year the northern elephant seal migrates farther than any other mammal in the world, traveling as many as 13,000 miles (about 21,000 km). The females are much smaller when it comes to weight with only about 2,000 pounds. Northern elephant seals are not presently endangered. Another common problem with them is that they are highly susceptible to disease and viruses. 1, 7. The southern elephant seal is found in the Southern Hemisphere on islands such as South Georgia and Macquarie Island, and on the coasts of New Zealand, South Africa, and Argentina in the Peninsula Valdés. Beaten in size only by the massive southern elephant seal. Eventually, it was discovered that a population of about 20 to 100 individuals had survived. Large range in color from light gray to dark black pups nurse for about a month and can be )., elephant seals can dive very deep into the water for these very large seals compare., fish, octopus, Pacific hake and other boney fishes, various cartilaginous,. 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