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Seal meat hanging to dry on St. Lawrence Island. The study showed significant differences in nutritional composition from one seal to another. This may have been due to the highly varied age and size of the seals tested. In general, both the meat and blubber can be considered to be high quality food in terms of bioactive components and nutrients.
Seals produce a number of vocalizations, notably the barks of California sea lions, the gong-like calls of walruses and the complex songs of Weddell seals. The meat, blubber and skin of pinnipeds have traditionally been used by indigenous peoples of the Arctic. Seals have been depicted in various cultures worldwide.
Seal finger, also known as sealer's finger and spekkfinger (from the Norwegian for "blubber"), [2] is an infection that afflicts the fingers of seal hunters and other people who handle seals, as a result of bites or contact with exposed seal bones; [citation needed] it has also been contracted by exposure to untreated seal pelts.
Blubber under the seal's skin helps to maintain body temperature. Females outlive males (30–35 years versus 20–25 years). Harbor seals stick to familiar resting spots or haulout sites, generally rocky areas (although ice, sand, and mud may also be used) where they are protected from adverse weather conditions and predation, near a foraging ...
Blubber from whales and seals contains omega-3 fatty acids and vitamin D. [15] Without the vitamin D, for example, the Inuit and other natives of the Arctic would likely suffer from rickets . There is evidence blubber and other fats in the arctic diet also provide the calories needed to replace the lack of carbohydrates which are found in the ...
Grey seals are capital breeders; they forage to build up stored blubber, which is utilised when they are breeding and weaning their pups, as they do not forage for food at this time. They give birth to a single pup every year, with females' reproductive years beginning as early as 4 years old and extending up to 30 years of age.
Since the pup avoids breaking the surface with these tunnels, this activity is thought to be mainly for exercise, to keep warm until they have built up an insulating layer of blubber. Baikal seal pups are weaned after 2–2.5 months, occasionally up to 3.5 months. [1] During this time, the pups can increase their birth weight five-fold.
The skull of the leopard seal. The leopard seal has a distinctively long and muscular body shape when compared to other seals. The overall length of adults is 2.4–3.5 m (7.9–11.5 ft) and their weight is in the range 200 to 600 kilograms (440 to 1,320 lb), making them the same length as the northern walrus but usually less than half the weight.