They are found in the Arctic Ocean as well as the sub Arctic regions. The walrus has a very distinctive feature: two large external tusks, which can grow to be a metre long and weigh 5 kg.

The two subspecies are the Pacific walrus and the Atlantic walrus. Range/Habitat. The Pacific walrus (O.r. Virtually the entire population occupies the pack ice in the Bering Sea in the winter months. RELATED ISSUES Oil and Gas Oceans Climate Law Institute Global Warming and Endangered Species Initiative The Endangered Species Act. I document changes that have occurred over the past several decades and … During the winter months when the ice is at its thickest, Walruses tend to prefer areas of thinner ice that they can easily break through to the surface from the water underneath. We estimated daily locations and characterized seasonal distributions (May-November and December-April) across the Pacific Arctic on a coarse grid (50km resolution). General Information. Distribution.

The Pacific walrus is a large pinniped (i.e., the group that includes seals, sea lions and fur seals) that lives in the Bering and Chukchi seas where they haul out on sea ice and along the mainland coast and islands of Russia and Alaska. Walruses are strong bodied and have a … Two subspecies are recognized, one in the Pacific and the other in the Atlantic. 7-11 feet and up to 3,700 pounds (males are larger than females) Lifespan. They tend to stay in the shallow parts of the water. The walrus (Odobenus rosmarus) has a circumpolar Arctic and sub-Arctic distribution with two subspecies, the Atlantic walrus, O. r. rosmarus, and Pacific walrus, O. r. divergens.
Walrus Habitat and distribution. Estrous females gather in herds separate from pregnant females and are attended by males displaying nearby in the water. We deployed tags on walruses at locations in the eastern and northern Bering Sea, the eastern Chukchi Sea, and southern coast of the western Chukchi Sea. The Atlantic walrus (O.r. Almost the entire population occupies the pack ice in the Bering Sea in the winter months. Breeding. The Pacific walrus (O.r. This ungainly animal, often gathered en masse on rocky beaches or seen riding ice floes, dives into the water and rhythmically transforms into a wave gliding through the sea, completely at home in its arctic environment. The Atlantic walrus (O.r. The Pacific walrus relies on Arctic sea ice throughout the year for breeding, nursing calves, traveling and resting between dives for food.

The Pacific walrus is slightly larger: males are 360 cm long and weigh 1600 kg, female are 260 cm long and weigh 1250 kg and pups measure 140 cm and weigh 60 kg.



The Pacific walrus population has persisted through past climate change events however, the ability of the Pacific walrus population to adapt to or cope with increasing stress in the future is uncertain. The extent and duration of sea-ice habitats used by Pacific walrus (Odobenus rosmarus divergens) are diminishing resulting in altered walrus behavior, mortality, and distribution.I document changes that have occurred over the past several decades and make predictions to the end of … rosmarus) is found from the east Canadian Arctic eastwards to the Kara Sea.

Their color is cinnamon brown. Through the winter they generally congregate in three areas, immediately southwest of St. Lawrence Island, south of Nunivak Island, and in the Gulf of Anadyr in Russia. The walrus is the largest of the pinnipeds within theArctic and subarctic seas. The Pacific walrus is a large pinniped (i.e., the group that includes seals, sea lions and fur seals) that lives in the Bering and Chukchi seas where they haul out on sea ice and along the mainland coast and islands of Russia and Alaska. The walrus has a very distinctive feature: two large external tusks, which can grow to be a metre long and weigh 5 kg. Walruses live throughout the Pacific and northern Atlantic Oceans on rocky coastlines and ice floes. ... Togiak Refuge has an ongoing marine mammal monitoring program to document their distribution. The rapid loss of sea ice due to global warming greatly threatens the survival of the Pacific walrus. Walruses have a disjointed circumpolar distribution. Males and females both have large tusks used for defense, getting out of water and cutting through ice.
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