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Title: Dancing Grizzly
Grizzly bear vigorously rubbing on a natural marking tree in Glacier NP, Montana. Rubbing is a form of chemical communication. DNA analysis of hair collected from natural rub trees is used to identify individual bears and census the population.
Location: Glacier National Park, MT, USA
Date Taken: 8/12/2006
Video Producer: J.Stetz / A.Macleod , U.S. Geological Survey
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From the USGS Northern Divide Bear Project, Northern Rocky Mountain Science Center.
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