Diet Overlap

Dendragapus obscurus fuliginosus (Sooty Grouse)
Marmota vancouverensis (Vancouver marmot)

Common Diet

Pteridium aquilinum (northern bracken fern)

Common Habitat

North America

Attributes / relations provided by
1FOOD HABITS IN RELATION TO THE ECOLOGY AND POPULATION DYNAMICS OF BLUE GROUSE, RICHARD DENNIS KING, Masters Thesis, University of British Columbia, 1964
2Marmota vancouverensis, David G. Nagorsen, MAMMALIAN SPECIES No. 270, pp. 1-5 (1987)