Another common problem with them is that they are highly susceptible to disease and viruses. Northern elephant seals are not presently endangered. Males are the first to arrive, and they fight each other to establish dominance. Sexual dimorphism is spotted on this animal because the female usually has the weight 10 times less than the male the counterpart. Do southern elephant seals have any predators? It is surpassed only by its relative the southern elephant seal. Tools. Northern Elephant Seals mostly eat squid. That was in the 1970’s but now there are almost 100,000 of them. The other 90% is spent in the water, diving and foraging for food, with only 11% of this time spent at the surface. When you look at the eyes of a Northern Elephant Seal, you will notice that they are quite large. San Miguel, Santa Barbara, and Santa Rosa islands all provide critical habitat. The males head off first to the mating grounds where they will battle each other before the females start to arrive. They are known to migrate from one area to the next too. 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. The pups nurse for about 28 days, generally gaining about 10 pounds a day. Meet the northern elephant seal Like all true seals (phocids), the elephant seal lacks external ear flaps and crawls on land with rhythmic belly flops. Several days after coming onto the beaches, the females give birth to the pups they have been carrying since last year. More than half off all the males in a given group will never mate. Research also shows that the majority of the pups are from the same males. Elephant seals live for just two months of the year on land. Males and females make separate biannual foraging migrations. 4, 7. Elephant seals belong to the group of true seals. Males and females make separate biannual foraging migrations. It takes from 10 to 12 months from conception until the pups are born. Great white sharks and killer whales prey on northern elephant seals. While it remains slightly the smaller of the two, collectively the elephant seal forms the largest on earth. The population is renowned for its remarkable growth during the 20th century, following virtual annihilation by sealers in the 19th century. Eventually, it was discovered that a population of about 20 to 100 individuals had survived. At one time, however, this species was thought to have been hunted to extinction. Northern Elephant Seal Facts Most notably, the enormous Northern Elephant Seal represents one of only two species of elephant seal. They typically aggregate in large groups while on land. Males are the first to arrive, and they fight each other to establish dominance. Female elephant seals who have lost their own pups sometimes adopt orphaned pups. They include squid, fish, octopus, and even small sharks. Males do not feed during breeding season. Southern elephant seal pups are prey for sharks, leopard seals, and sea lions. They can also reach up to 14 feet in length. These seals can dive very deep into the ocean, one was recorded to reach 5,788 feet! Females soon arrive and associate with dominant males. Females soon arrive and associate with dominant males. The seals inhabit gravel or sandy beaches, far away from human activity, as their preferred places for breeding. The have a large range in the Pacific Ocean and can be seen from Alaska to Mexico. It is also the only mammal known to undertake two migratory journeys annually. Northern elephant seals are found in the coastal waters of the Pacific Ocean from the Gulf of Alaska down to Baja California. The rest of the year, except for molting periods, elephant seals live well off shore (up to 5,000 miles, or 8,000 km), commonly descending to over 5,000 feet (1,524 m) below the ocean's surface. Males feed near the eastern Aleutian Islands and in the Gulf of Alaska, and females feed further south, in the offshore waters of Washington and Oregon. Males begin developing this enlarged nose, or proboscis, at sexual maturity (about three to five years of age) and it is fully developed by seven to nine years. Range Male elephant seals can be easily identified by their large proboscis, which resembles an elephant’s trunk (and is the source of their name). They tend to eat much more as summer approaches to build up their fat reserves. The total linear distance migrated by these animals each year has been recorded at 12,800 miles. They are shorter too at only 12 feet. 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. The southern species has an extensive molting period in which considerable patches of hair and skin are shed. The species eat squid, octopus, Pacific hake and other boney fishes, various cartilaginous fishes, and jawless fishes. In both sexes, the body is long and robust, and the neck very thick. Northern elephant seals are found in the North Pacific, from Baja California, Mexico to the Gulf of Alaska and Aleutian Islands. Each year, elephant seals molt the skin and fur above the blubber. These seals range in … Like its counterpart, the Southern Seal, it draws its common name from not one, but two sources. The Northern Elephant Seal is smaller than those from the Southern part of the world. For the next two months, weaned pups, called "weaners","remain on rookery beaches, venturing into the water for short periods of time, perfecting their swimming and feeding abilities. Males journey north to the Aleutian Islands and the Gulf of Alaska, whereas females travel further west … Scientists have learned much about elephant seal behavior by using tracking devices, which record water temperature, light intensity, and swimming speed. Elephant seal is the largest type of seal in the world. They lack external ear flaps and move on land by flopping on their bellies. During the breeding season, they live on beaches on offshore islands and a few remote spots on the mainland. Since that time, elephant seals have continued to multiply exponentially, and they have extended their breeding range as far north as Point Reyes. THEY MAINLY EAT SQUID. Northern elephant seals spend most of the year, about 9 months, in the ocean and can only be seen on land during pupping season. Northern elephant seals are found in the coastal waters of the Pacific Ocean from the Gulf of Alaska down to Baja California. Facts. 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