Helicopter pilot Budd Christman with sedated large male polar bear (Ursus maritimus). Beaufort Sea, Alaska, May 1982. This bear had a 45-inch neck and weighed about 1400 pounds.
[1] says:
"Steve Amstrup of USFWS with large sedated polar bear - Ursus maritimus. Bears were measured and tagged for future study. This sedated male was ready for the WWF with a 45 inch neck and weighing about 1400 pounds. "
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Helicopter pilot Budd Christman with sedated large male polar bear (''Ursus maritimus''). Beaufort Sea, Alaska, May 1982. This bear had a 45 inch neck and weighed about 1400 pounds.
Source: [http://www.photolib.noaa.gov NOAA Photo Library]. {{PD-USGov-N