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Seal tissue has been observed in a fairly significant proportion of walrus stomachs in the Pacific, but the importance of seals in the walrus diet is under debate. [81] There have been isolated observations of walruses preying on seals up to the size of a 200 kg (440 lb) bearded seal.
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 ...
The harbor (or harbour) seal (Phoca vitulina), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared seals, and true seals), they are found in coastal waters of the northern Atlantic and Pacific oceans, Baltic ...
Caniformia is a suborder within the order Carnivora consisting of "dog-like" carnivorans. They include dogs (wolves, foxes, etc.), bears, raccoons, and mustelids. [1] The Pinnipedia (seals, walruses and sea lions) are also assigned to this group.
Orthohalarachne attenuata (family: Halarachnidae) is a species of mite normally found in the nasal passages of fur seals, sea lions, and walruses.In seals, the mites can be both prevalent (almost every single seal has them) and abundant (more than 1000 mites per seal).
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.
Harp seal blubber contained 9.2% while the muscle tissue contained only 3%. High levels of trace elements were found. In particular, hooded seal muscle meat contained 379 μg/g of iron and harp seal muscle meat contained 30 μg/g of zinc. [5] High levels of mercury have been found in the blubber of seals of the Canadian arctic. [6]
Odobenidae is a family of pinnipeds, of which the only extant species is the walrus (Odobenus rosmarus). In the past, however, the group was much more diverse, and includes more than a dozen fossil genera.