Like seals, the walrus is a pinniped. According to the Smithsonian Institution’s Arctic Study Center, a walrus can eat up to 4,000 clams in one feeding. Hear animal sounds for animals like anteaters, dolphins, frogs and more. [26] The vibrissae are attached to muscles and are supplied with blood and nerves, making them highly sensitive organs capable of differentiating shapes 3 mm (1⁄8 in) thick and 2 mm (3⁄32 in) wide. 3 4 5. Color Hex Color Codes. This cinnamon-colored gentle giant is called a walrus. As with otariids, it can turn its rear flippers forward and move on all fours; however, its swimming technique is more like that of true seals, relying less on flippers and more on sinuous whole body movements. Fish and Wildlife Service to force it to classify the Pacific Walrus as a threatened or endangered species. FILES ARE READYPlease click the button below to start downloading. Vibrissae are attached to muscles and are supplied with blood and nerves. Females will start to breed at 5 years old. Olaus Magnus, who depicted the walrus in the Carta Marina in 1539, first referred to the walrus as the ros marus, probably a Latinization of morž, and this was adopted by Linnaeus in his binomial nomenclature. [25], Seal tissue has been observed in fairly significant proportion of walrus stomachs in the Pacific, but the importance of seals in the walrus diet is under debate. Click the Edit button above to get started. They are among the largest pinnipeds — fin-footed, semi-aquatic marine mammals. As for other marine mammals, the U.S. Marine Mammal Protection Act of 1972 protects walrus populations. The current population of these walruses has been estimated to be between 5,000 and 10,000. O. rosmarus divergens Highly social in nature, huge herds of walruses haul out (leave the water to get on land) on sea ice to rest and bear their young. With all their blubber, which can be as much as six inches thick, they are very comfortable in icy water. Males aggregate in the water around ice-bound groups of estrous females and engage in competitive vocal displays. This species is subdivided into two subspecies: the Atlantic walrus (O. r. rosmarus), which lives in the Atlantic Ocean, and the Pacific walrus (O. r. divergens), which lives in the Pacific Ocean. These worksheets have been specifically designed for use with any international curriculum. While some outsized Pacific males can weigh as much as 2,000 kg (4,400 lb), most weigh between 800 and 1,700 kg (1,800 and 3,700 lb). Both the killer whale and the polar bear are also most likely to prey on walrus calves. There are eight hypothetical subpopulations of Atlantic walruses, based largely on their geographical distribution and movements: five west of Greenland and three east of Greenland. Walruses are very big, even compared to big male sea lions. [86], The walrus plays an important role in the religion and folklore of many Arctic peoples. Walruses have lots of things similar to true seals and eared seals.Like true seals, they just have a hole for an ear - not ear flaps. For example, in a Chukchi version of the widespread myth of the Raven, in which Raven recovers the sun and the moon from an evil spirit by seducing his daughter, the angry father throws the daughter from a high cliff and, as she drops into the water, she turns into a walrus – possibly the original walrus.
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