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Under a very moderately-high magnification of 6500
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.
Rhodostethia rosea, juvenile, first autumn. In: 'Report of the International Polar Expedition to Point Barrow ....' Expedition leader Lieutenant P. H. Ray. Published in 1885. Library Call Number Q115.I6 U6 1885.
Under a very moderately-high magnification of 6500
Under a high magnification of 10000X, this coloriz
Under a very high magnification of 12000X, this co
IMG 1473 sm
Preparing to pull tooth of large sedated polar bear - Ursus maritimus. Bears were measured and tagged for future study. Teeth were pulled to study age and general health of bears.
Under a moderately-high magnification of 8000X, th
Christopher Putnam-Alaska Region
Under a moderately-high magnification of 10000X, t
Under a moderate magnification of 3500X, this colo
Polar bears snuggling, Arctic National Wildlife Refuge
Polar bear holding module
Polar bear (Ursus maritimus) tracks. See: http://www.naturalsciences.org/education/arctic/
Polar bear with cub on the ice in the Arctic Ocean north of western Russia.
Polar bear holding module
Polar bear (Ursus maritimus) walking on Arctic sea ice.
Steve Amstrup with large sedated polar bear - Ursus maritimus. Bears were measured and tagged for future study.
Air Force modernization takes B-2 to North Pole
Arctic baby wolf
Helicopter pilot Budd Christman with large sedated male polar bear - Ursus maritimus. Bears were measured and tagged for future study. Outer Continental Shelf Environmental Assessment Program (OCSEAP) studies.
A USFWS Polar Bear Biologist Working With a Bear
Helicopter pilot Budd Christman with sedated polar bear - Ursus maritimus. Bears were measured and tagged for future study. Outer Continental Shelf Environmental Assessment Program (OCSEAP) studies.
Budd Christman with large sedated polar bear - Ursus maritimus. Bears were measured and tagged for future study.
It's Electrifying JILA Scientists Use Electric Fields to Control Chemical Reactions of Ultracold Molecules
A Polar Bear Biologist Labels Blood Samples from a Bear
Under a moderately-high magnification of 5000X, th
Cologne, Germany
Male Polar Bear on Pack Ice
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