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Spruce Grouse, Jess Findlay
Photo © Jess Findlay

Photo: Jess Findlay
Breeding evidence - Spruce Grouse
Breeding evidence
Probability of observation - Spruce Grouse
Probability of observation
Elevation plot - Spruce Grouse
Elevation plot

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Spruce Grouse
Falcipennis canadensis
Landscape associations:

Click on plot to view table of mean abundance
Elevation range:
293 - 1738 m
Conserv. status:
Not at risk
Global importance
of B.C. population:
6
Number of squares
ConfirmedProbablePossiblePoint counts
226 35 165 30
Long-term BBS trends
RegionYearsTrend (conf. interv.) Reliab.
Canada1970 - 2012 6.7 (0.132 - 15.9)Low

Mean abundance by region

Bird Conservation Regions [plot]
NW Interior ForestBoreal Taiga PlainsGreat BasinNorthern RockiesN. Pacific Rainforest
0.180.05 0.070.08 0.24
Ecoprovinces [plot]
N. Boreal Mountains Taiga Plains Boreal Plains Georgia Depression Sub-Boreal Interior
0.180.05 0.07  0.02
S. Interior Mountains Central Interior Southern Interior S. Alaska Mountains Coast & Mountains
0.20.08 0.07  0.24

Mean abundance by habitat [plot]

Boreal Altai Fescue AlpineBoreal White and Black SpruceBunchgrassCoastal Douglas-fir
0.170.12  
Coastal Mountain-heather AlpineCoastal Western HemlockEngelmann Spruce -- Subalpine FirInterior Cedar -- Hemlock
 0.330.030.27
Interior Douglas-firInterior Mountain-heather AlpineMontane SpruceMountain Hemlock
0.06 0.07 
Ponderosa PineSpruce -- Willow -- BirchSub-Boreal Pine -- SpruceSub-Boreal Spruce
 0.07 0.04

Characteristics and Range The Spruce Grouse is a medium-sized, stocky game bird that is considerably smaller than Sooty or Dusky Grouse with which it often shares habitat in British Columbia. It is one of the quietest of all game birds; even the territorial wing-clap display of the male is limited to two sharp claps unlike the prolific display of the Ruffed Grouse. It is restricted to North America, where it is resident in boreal coniferous forests, extending south into the Cascade and northern Rocky Mountains. It is a coniferous forest specialist with a diet consisting mostly of pine or spruce needles. The Spruce Grouse has undergone many taxonomic changes in the past century and its taxonomy is still under debate. Boag and Schroeder (1992) believe it is currently comprised of two distinct subspecies F. c. canadensis and F. c. franklinii, although they acknowledge that previously the latter was considered a separate species known as Franklin's Grouse.

Distribution, Abundance, and Habitat Both subspecies breed in British Columbia. F. c. canadensis occupies boreal forests in the north, while F. c. franklinii occupies montane forests in the southern two-thirds of the province (Campbell et al. 1990). The Atlas confirms the Spruce Grouse to be a widespread breeder throughout much of British Columbia, east of the Coast Range Mountains. It may have been under-recorded by the Atlas due to its cryptic appearance and nature.

Atlas data show the highest Probability of Observation is in the Northern Boreal and Sub-Boreal Interior ecoprovinces, particularly east of Atlin Lake, and to a lesser extent the Skeena and Omineca Mountains. The Spruce Grouse occupies a wide altitudinal range, and is known to occur as high as 2,500 m (Campbell et al. 1990). Its secretive nature resulted in too few point count data being collected to indicate any clear elevation preferences, and Atlas survey effort above 1,750 m was limited because of access challenges in many areas.

The Spruce Grouse nests on the ground in coniferous forests throughout its range, usually (but not always) with a spruce (Picea species) component. This was borne out by Atlas Pobs modelling, which indicated highest values in the spruce-associated biogeoclimatic zones. Nests in British Columbia are mostly found at the bases of coniferous trees, shrubs, stumps or fence posts (Campbell et al. 1990).

Conservation and Recommendations The Spruce Grouse is not at risk in British Columbia, and is considered secure across its entire range (British Columbia Ministry of Environment 2014). It is the second-most popular hunted upland game bird in British Columbia, accounting for 25-30% of the annual upland game bird harvest; annual harvests over the past 10 years have ranged from 32,000 to 58,000 birds (FLNRO 2014).

It is recommended that consideration be given to genetic research to help resolve the taxonomy issues.

Myke Chutter

Recommended citation: Chutter, M. 2015. Spruce Grouse in Davidson, P.J.A., R.J. Cannings, A.R. Couturier, D. Lepage, and C.M. Di Corrado (eds.). The Atlas of the Breeding Birds of British Columbia, 2008-2012. Bird Studies Canada. Delta, B.C. http://www.birdatlas.bc.ca/accounts/speciesaccount.jsp?sp=SPGR&lang=en [11 Dec 2018]

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