Copyright © 2020 Multiply Media, LLC. [87][88], Walrus ivory masks made by Yupik in Alaska, John Tenniel's illustration for Lewis Carroll's poem "The Walrus and the Carpenter", Dutch explorers fight a walrus on the coast of Novaya Zemlya, 1596. [79] Several hundred are removed annually around Greenland. [21], While this was not true of all extinct walruses,[22] the most prominent feature of the living species is its long tusks. They forage for prey along [62] There have been isolated observations of walruses preying on seals up to the size of a 200 kg (440 lb) bearded seal. [clarification needed] According to various legends, the tusks are formed either by the trails of mucus from the weeping girl or her long braids. [54], The isolated population of Laptev Sea walruses is confined year-round to the central and western regions of the Laptev Sea, the eastmost regions of the Kara Sea, and the westmost regions of the East Siberian Sea. Walruses are timid animals aroused only when they face danger. This and its lack of orbital roof allow it to protrude its eyes and see in both a frontal and dorsal direction. [59] However, it prefers benthic bivalve mollusks, especially clams, for which it forages by grazing along the sea bottom, searching and identifying prey with its sensitive vibrissae and clearing the murky bottoms with jets of water and active flipper movements. Tolkien[5] to derive from a Germanic language, and it has been attributed largely to either the Dutch language or Old Norse. They mostly eat What do walruses eat? Who doesn't love being #1? The first three to four months are spent with the blastula in suspended development before it implants itself in the uterus. [32], The rest of the year (late summer and fall), walruses tend to form massive aggregations of tens of thousands of individuals on rocky beaches or outcrops. ][citation needed] Compare морж (morž) in Russian, mursu in Finnish, morša in Northern Saami, and morse in French. "Ecology and Biology of the Pacific Walrus, "The sensitivity of the vibrissae of a Pacific Walrus (, "Carnivorous walrus and some arctic zoonoses", "Izembek National Wildlife Report Sept 2015", "Stock Assessment Report: Pacific Walrus – Alaska Stock", "Status of Marine Mammals of the North Atlantic: The Atlantic Walrus", "Atlantic Walrus: Northwest Atlantic Population", "Disappearance of Icelandic Walruses Coincided with Norse Settlement", 10.1890/0012-9615(2001)071[0137:CDPOPA]2.0.CO;2, "Feeding behaviour of free-ranging walruses with notes on apparent dextrality of flipper use", "Feeding and Trophic Relationships of Phocid Seals and walruses in the Eastern Bering Sea", "Narwhals, Narwhal Pictures, Narwhal Facts", "Interactions between Polar Bears and Overwintering Walruses in the Central Canadian High Arctic", "North American Bear Center – Polar Bear Facts", "A review of Killer Whale interactions with other marine mammals: Predation to co-existence", "Hunting and Use of Walrus by Alaska Natives", "Use and preference for Traditional Foods among Belcher Island Inuit". Old males, in particular, become nearly pink. [87] This myth is possibly related to the Chukchi myth of the old walrus-headed woman who rules the bottom of the sea, who is in turn linked to the Inuit goddess Sedna. find one. Bivalce Mollusks" in other words Clams. Copyright © 2020 Multiply Media, LLC. [citation needed][56][57], Walruses prefer shallow shelf regions and forage primarily on the sea floor, often from sea ice platforms. A better understanding of what penguins eat can help promote the protection and conservation of their food-rich habitats and give penguin rehabilitators more resources for successfully meeting these unique birds' dietary needs. Top Answer. They are opportunistic and can evey prey on smaller seals when they What is the hink-pink for blue green moray? Limits on commercial hunting allowed the population to increase to a peak in the 1970s-1980s, but subsequently, walrus numbers have again declined. [4], Walruses live to about 20–30 years old in the wild. An occasional male of the Pacific subspecies far exceeds normal dimensions. Breeding occurs from January to March, peaking in February. Be the first to answer this question. [70] However, even an injured walrus is a formidable opponent for a polar bear, and direct attacks are rare. 2012-02-25 07:48:25 2012-02-25 07:48:25. Walruses have been known to fatally injure polar bears in battles if the latter follows the other into the water, where the bear is at a disadvantage. Asked by Wiki User. [7] An alternative theory is that it comes from the Dutch words wal "shore" and reus "giant".[8]. Smaller numbers of males summer in the Gulf of Anadyr on the southern coast of the Siberian Chukchi Peninsula, and in Bristol Bay off the southern coast of Alaska, west of the Alaska Peninsula. The distinctive 12th-century Lewis Chessmen from northern Europe are carved from walrus ivory. [24] Walrus milk contains higher amounts of fats and protein compared to land animals but lower compared to phocid seals. [4] They rut from January through April, decreasing their food intake dramatically. While walruses eat all sorts of small aquatic creatures, their food of choice is clam. [17] The Atlantic subspecies weighs about 10–20% less than the Pacific subspecies. [85], Currently, two of the three walrus subspecies are listed as "least-concern" by the IUCN, while the third is "data deficient". These are elongated canines, which are present in both male and female walruses and can reach a length of 1 m (3 ft 3 in) and weigh up to 5.4 kg (12 lb). Early aerial censuses of Pacific walrus conducted at five-year intervals between 1975 and 1985 estimated populations of above 220,000 in each of the three surveys. Do walrus' eat penguin eggs? While there has been some debate as to whether all three lineages are monophyletic, i.e. The walrus is a mammal in the order Carnivora. Fixed genetic differences between the Atlantic and Pacific subspecies indicate very restricted gene flow, but relatively recent separation, estimated at 500,000 and 785,000 years ago. 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. [4] They are not particularly deep divers compared to other pinnipeds; their deepest recorded dives are around 80 m (260 ft).
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