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Steve Amstrup, lead biologist for the USGS, leans out of a research helicopter to take aim at a running polar bear to be darted for data collection. Beaufort Sea ice, Kaktovik, Alaska

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Filename: D123902.jpg
Copyright: Daniel J. Cox/NaturalExposures.com
Image Size: 5100x3387 / 5.2MB; www.naturalexposures.com; Alaska arctic Beaufort Sea biologist D123902 darting flight flying global warming helicopter horizontal Kaktovik mammal passenger PBI people Polar Bear Polar Bears International science scientific research Steve Amstrup threatened species transportation Ursus maritimus Wildlife Research
Contained in galleries: Research

Steve Amstrup, lead biologist for the USGS, leans out of a research helicopter to take aim at a running polar bear to be darted for data collection. Beaufort Sea ice, Kaktovik, Alaska