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The walrus palate is uniquely vaulted, enabling effective suction; researchers measured pressures in the oral cavity as low as -87.9 kPa in air, and -118.8 kPa underwater. [78] Walruses at the Tierpark Hagenbeck were easily able to suck the five-pound metal plug out of the bottom of their pool, at a water depth of 1.1 metres. [79]
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.
[clarification needed] According to wear on the tusks, G. pugnax hammered shellfish open, rather than simply sucking them out of their shells as do modern walruses. [2] In terms of the postcranial skeleton, Gomphotaria and other dusignathine walruses were built more like sea lions than modern walrus .
The Pacific walruses are back in their habitat and can be viewed by guests starting today. The zoo announced last week in a clip shared to Facebook that the walrus exhibit would reopen on July 1.
A walrus first spotted off the coast of County Kerry in Ireland in mid-March was seen resting on a slipway on March 31 on the coast of Tenby, Wales.The walrus, affectionately referred to as Wally ...
Accounting for these environmental factors, walruses more frequently haul-out from late morning to early evening and avoid hauling-out during weather periods of intense cold or high winds. [8] [11] Haul-out frequency is at a maximum for walruses during the summer using terrestrial haul-out sites as sea ice sites are then further from foraging ...
The U.S. Fish and Wildlife Service is investigating an apparent illegal walrus hunt off the Alaskan coast.
The skins of fur seals and phocids are made into coats, and the tusks of walruses have been used as ivory. [167] There is a distinction made between the subsistence hunting of seals by indigenous peoples of the Arctic and commercial hunting: subsistence hunters depend on seal products for survival. [168]