Diet Overlap

Lagopus leucura (White-tailed Ptarmigan)
Falcipennis canadensis franklinii (Franklin’s Grouse)

Common Diet

Empetrum nigrum (black crowberry)

Common Habitat

North America

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.