North Dakota's Game and Fish Department is once again asking upland game hunters to help biologists monitor hatching dates and reproductive rates by submitting wings and appropriate feathers and legs in wing envelopes this fall.
Harvested birds provide a good random sample that biologists use to assess the ratio of juveniles to adults and estimate the average ages of harvested juveniles.
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Game and Fish district offices also have a supply of wing envelopes. District offices are in Devils Lake, Jamestown, Riverdale, Dickinson, Williston and at the Lonetree Wildlife Management Area near Harvey.
Instructions for submitting wing data are printed on the envelope.