A medium-sized grouse closely associated with the coniferous boreal forests or taiga of North America (Dendrapagus canadensis, syn. Falcipennis canadensis).

plural of spruce hen

Synonym of spruce grouse

plural of Sitka spruce

Picea sitchensis, a very large coniferous evergreen tree.

plural of white spruce

Synonym of Norway spruce (Picea abies)

plural of European spruce

A species of pine (Pinus glabra).

Synonym of Eurasian siskin