Aves > Galliformes > Phasianidae > Tetraoninae > Falcipennis > Falcipennis canadensis > Falcipennis canadensis torridus

subspecies: Falcipennis canadensis torridus (Spruce Grouse, )

Annotation: Not recognized in treatment by Howard and Moore (2003), but recognized in treatments by del Hoyo et al. (1992) and Clements (2000).