It’s difficult to determine how these things get started—how the results of a well-documented experiment conducted nearly 40 years ago become twisted into the frequently made—and widely-accepted—claim that “even well-fed cats hunt.”This would appear to be a case of validity through repetition: repeat a claim often enough and, eventually, people will come to believe it’s true—never bothering to check the original source. (Pro Tip: For added efficacy, click the heels of your ruby-red slippers together while repeating the claim.)This, it should go without saying, is not how science is supposed to work.
Russian wildlife biologist views large walrus haulout at Cape SerdtseKamen', Chokotka, Russia, Mammals Ecology Lab Institute of Biological Problems of the North Far East Branch, Russian Academy of SciencesThe database shows where walrus haulouts may be found. This information is vital to reduce the risk of mortality events from human-caused disturbance or pollution.“It's great to see this information in a consistent format, on a user-friendly platform, and up to date,” said James MacCracken, walrus program supervisor at the U.S. Fish and Wildlife Service. “This should be very useful to anyone planning activities that may occur near a haulout and as well as the USFWS’s assessment of those activities.”Walruses are large marine predators that must rest out of water on sea ice or the coast between feedings along the shallow arctic sea floor. Female Pacific walruses and their calves in particular traditionally spend summers far from shore. However in recent years, loss of summer sea ice over the continental shelf has forced many walruses to travel to the Arctic coasts of the U.S.
And Russia where they haul-out on shore to rest. When hauling out on the coast, they often gather in large numbers and use specific locations, termed haulouts, where they may be vulnerable to disturbance and pollution events.To produce the database, scientists from the U.S.
Geological Survey, the U.S. Fish and Wildlife Service and their Russian counterparts at the Russian Academy of Sciences and Chukot-TINRO, combed through published reports, state records, as well as observations from coastal residents, aviators and scientists.“This database reveals the full geographic context of all places where Pacific walruses have been observed repeatedly resting on shore or in large numbers,” said Anthony Fischbach, wildlife biologist with the USGS. “The database is the result of generations of Russians and Americans, who openly shared their wildlife observations.”can be used in GIS applications, such as Google Earth, or worked with in NOAA’s.Each haulout entry in the database provides a narrative describing the geography and history of reported use with citations to reports and personal communications. The publication of these data are possible because of the long-standing good working relationship that scientists have across the Bering Strait dating back to the first joint surveys in 1975.A of this database provides an overview of the distribution patterns of the Pacific walrus haulouts.The walrus research reflects a large interagency and international effort including USGS, the U.S. Fish and Wildlife Service, the Russian Academy of Sciences and Chukot-TINRO.
USGS is also coordinating with the US Coast Guard, NOAA's Office of Response and Restoration, Eskimo Walrus Commission, North Slope Borough, affected National Wildlife Refuges, the NPS Bering Straits Land Bridge and the State Department. Walruses gathered by the tens of thousands in September 2013 to rest on the shores of the Chukchi Sea near the coastal village of Point Lay, Alaska. Walruses are finding it increasingly difficult to remain offshore in over their preferred foraging grounds in the eastern Chukchi Sea due to unprecedented loss of sea ice in the autumn, which has completely disappeared during 5 of the past 7 years. Drifting sea ice gives walruses a platform to rest on between foraging dives. Without sea ice walruses turn to shore to rest, which forces them to either to commute offshore foraging grounds or to forage nearshore over lower quality foraging grounds.
The USGS Walrus Research Project is focused on tracking tagged walrus to understand how a loss of sea ice may be affecting the walrus. (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA8016523)Ryan Kingsbery, USGSPublic domain.
Cape SerdtseKamen' has been reported as a walrus haulout since the 1920. Up until 1990 it was used by walruses irregularly, only in autumn of years when sea ice was absent. Sporadic Aerial surveys have reported no more than 12 thousand walruses here from 1960 through 1990. However during the 1990’s and 2000’s local residents reported that walruses began to hauling out annually in larger numbers.
Biologist Anatoly Kochnev was the first to conducted continuous monitoring of the haulout during August through November of 2009, and estimated nearly 100 thousand walruses hauled out along 20km coastline. It became clear that in the end of autumn almost all of the Chukchi Sea portion of the Pacific walrus population had rested here.
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Since 2009 this haulout has been monitored annualy by ChukotTINRO biologists., Mammals Ecology Lab Institute of Biological Problems of the North Far East Branch, Russian Academy of Sciences. USGS wildlife biologist working with walruses resting on shore near Point Lay, Alaska. Walruses gathered by the tens of thousands in September 2013 to rest on the shores of the Chukchi Sea near the coastal village of Point Lay, Alaska.
Walruses are finding it increasingly difficult to remain offshore in over their preferred foraging grounds in the eastern Chukchi Sea due to unprecedented loss of sea ice in the autumn, which has completely disappeared during 5 of the past 7 years. Drifting sea ice gives walruses a platform to rest on between foraging dives. Without sea ice walruses turn to shore to rest, which forces them to either to commute offshore foraging grounds or to forage nearshore over lower quality foraging grounds. The USGS biologist in this photo is working to apply a behavior tracking radios to walruses to better understand how a loss of sea ice may be affecting the walrus.
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(Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA8016523)Ryan Kingsbery, USGSPublic domain Contacts Department of the Interior,U.S. Geological SurveyOffice of Communications and Publishing12201 Sunrise Valley DriveReston, VA 20192United StatesPhone: 703-648-4460.