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Ruffed grouse counts see increase

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outdoors Detroit Lakes, 56501
Detroit Lakes Minnesota 511 Washington Avenue 56501

Minnesota’s ruffed grouse spring drumming counts were significantly higher than last year across most of the bird’s range, according to a survey conducted by the Minnesota Department of Natural Resources.

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The increase is consistent with changes typical of the 10-year grouse cycle. The most recent peak in drum counts occurred in 2009.

Compared to last year’s survey, 2014 survey results for ruffed grouse indicated increases in the northeast survey region, which is the core of grouse range in Minnesota, from 0.9 drums per stop in 2013 to 1.3 in 2014. Drumming counts in the northwest increased from 0.7 drums per stop in 2013 to 1.2 in 2014.

Ruffed grouse populations are surveyed by counting the number of male ruffed grouse heard drumming on established routes. This year observers recorded 1.1 drums per stop statewide. The averages during 2012 and 2013 were 1.0 and 0.9, respectively. Counts vary from about 0.6 drums per stop during years of low grouse abundance to about 2.0 during years of high abundance.

Drumming counts are an indicator of the ruffed grouse breeding population. The number of birds present during the fall hunting season also depends upon nesting success and chick survival during the spring and summer.

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