October 18, 2021

The walrus (Odobenus rosmarus) is a large Arctic mammal species adapted to aquatic life.


Males weigh about 1,500 pounds and can grow up to 4.5 meters in length. The Atlantic walrus is slightly smaller than the Pacific walrus. Both males and females have canines up to almost half a meter long, which have developed into incisors, in the upper jaw. Distribution and ecology Wolverines are found in the Arctic Ocean and the northern Atlantic and Pacific. The range is not uniform, but is divided into several different populations. Globally, the walrus has been assessed as an endangered species. Wolverines were hunted abundantly, especially for walrus bone, in the 19th and early 20th centuries, and populations collapsed. After the 1950s, stocks began to rise. In 1990, the crushing population in the Bering Sea and the Chukchi Sea was estimated at about 200,000. No information is available on the current number. In 1982, the population of the Laptev Sea was estimated at 4,000-5,000 individuals. In the 2010s, walruses were estimated to be less than 25,000 in the Atlantic and less than 200,000 in the Pacific, but it is not known whether the stock will increase or decrease. In ancient times, the prevalence of walrus has been much wider than today. In Sweden, for example, glacial remnants of walruses have been found in the soil. Wolverines eat mainly mussels, but to a lesser extent other molluscs and fish. The only natural enemy of a walrus is a polar bear, but he also does not like to encounter a much larger healthy adult walrus than himself. Their fallow teeth are used by walruses to dig for food in shallow waters and to squeal during heat. Wolverines also use their tooth teeth to climb ice and make breathing positions. Wolverines can dive to a depth of about 100 meters and stay underwater for up to half an hour. They also mate in water but give birth on land or ice. Wolverines usually flock in shores of floating ice near the shores.


The walrus is the only remaining species of the walrus family (Odobenidae) and is divided into three subspecies. About 200,000 Pacific walruses (Odobenus rosmarus divergens) live in the Pacific and about 15,000 Atlantic walruses (O. r. Rosmarus) in the Atlantic. The endangered Laptevin warbler (O. r. Laptevi) lives in the Laptev Sea. However, based on mitochondrial DNA analyzes and morphological data, it appears that the Lapland wolverine is not its own species but the westernest population of Pacific walruses. Sources

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