Spruce Grouse

Overview

The Spruce Grouse inhabits boreal coniferous forest across Canada, Alaska, and parts of the northern United States, where it feeds heavily on conifer needles, especially in winter. Males show dark grey-brown plumage with fine black barring, a black throat bordered in white, and bright red combs over the eyes used in display. Females are more mottled brown for camouflage.

• Family: Phasianidae (grouse)
• Diet: conifer needles, buds, berries, and invertebrates
• Range: boreal forest of Canada, Alaska, and the northern United States

Feather Identification

• Body feathers: males show dark grey to blackish plumage with fine black barring across the back and flanks.
• Throat: a black throat patch bordered by a white necklace-like band is diagnostic in males.
• Tail: the relatively short tail is typically tipped with a band of chestnut or rust-orange, a useful field mark on shed feathers.
• Females: show warmer brown, heavily barred plumage overall, lacking the male's black throat.
• Vs. similar species: the combination of dark barred plumage, black-and-white throat pattern in males, and chestnut-tipped tail separates it from the Dusky and Sooty Grouse, which lack the throat pattern and show different tail-tip coloration.

Plumage Notes

Adult males display the black throat and red eye combs most prominently during courtship displays in spring. Females are cryptically mottled brown and grey year-round, aiding camouflage while nesting on the forest floor. Juveniles resemble females until their first full molt into adult plumage.

Habitat & Range

Spruce Grouse inhabit boreal coniferous forest dominated by spruce, fir, and pine across Canada, Alaska, and parts of the northern contiguous United States, including the Rockies, Great Lakes region, and New England. They are non-migratory, remaining in forested habitat year-round and shifting to a near-exclusive diet of conifer needles in winter.

Behavior

Spruce Grouse forage on the ground for berries, buds, and invertebrates in summer, shifting to conifer needles as a primary winter food source. Males perform courtship displays involving tail fanning, wing drumming, and short flights while showing off the red eye combs. Nests are ground scrapes hidden under low vegetation. The species is notably tame and often described as unwary around humans, sometimes called "fool hen" for this reason.