Habitat at Ruffed Grouse Capture Sites in Kentucky

Habitat structure and composition were measured at 51 ruffed grouse (Bonasa umbellus) trap sites in a mixed-mesophytic forest in eastern Kentucky. High midstory stem density, low herbaceous stem density, high abundance of dead wood at ground level, and high abundance of evergreen herbs, greenbriars (Smilax spp.), and pines (Pinus spp.) contributed significantly to prediction of ruffed grouse captures. A discriminant model was tested on independent data and correctly classified 70% of 50 capture sites but misclassified 60% of 48 non-capture sites as capture sites. Nineteen of 23 sites that captured 2 or more grouse were classified correctly.

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