Spruce Grouse arrive in Alaska in mid February, peak in late September (2.6% of checklists), and most are gone by early December.
When to look
First arrivalsFeb 15-21mid February
Common byFeb 15-21mid February
PeakSep 22-30late September
Most gone byDec 1-7early December
Best: late September. First arrivals mid February; most are gone by early December. Peak: on about 2.6% of Alaska checklists.
Januncommon
Febuncommon
Maruncommon
Apruncommon
Mayuncommon
Jununcommon
Juluncommon
Augcommon
Seppeak season
Octpeak season
Novcommon
Decuncommon
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in Alaska that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Kincaid ParkAnchorage Municipality, best early June · 80 checklists that week, 853 in all34%
Horseshoe LakeDenali Borough, best early September · 24 checklists that week, 475 in all26%
Hillside ParkAnchorage Municipality, best late May · 41 checklists that week, 338 in all9.7%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Alaska, the Spruce Grouse is most often listed on checklists started between 7 and 9 am (1.2% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
0.5%
0.5%
0.6%
0.6%
February
0.3%
0.4%
0.5%
0.6%
March
0.6%
0.7%
0.8%
0.9%
April
0.7%
0.6%
0.7%
0.9%
May
0.9%
1.1%
0.9%
0.8%
June
0.7%
0.7%
0.7%
0.9%
July
1.1%
1.0%
0.7%
1.0%
August
1.0%
1.1%
1.0%
1.2%
September
1.8%
2.2%
2.5%
2.8%
October
2.3%
2.2%
2.2%
1.4%
November
0.7%
0.8%
0.7%
0.4%
December
0.4%
0.6%
0.3%
0.6%
Common questions
When do Spruce Grouse arrive in Alaska?
Spruce Grouse arrive in Alaska in mid February, peak in late September (2.6% of checklists), and most are gone by early December.
When do Spruce Grouse leave Alaska?
Most Spruce Grouse have left Alaska by early December, when reports fall below half their usual rate.
When is the best time to see a Spruce Grouse in Alaska?
The Spruce Grouse is reported most often in late September, on about 2.6% of Alaska checklists.
Where in Alaska are Spruce Grouse seen most often?
By county, Yukon-Koyukuk Census Area, Denali Borough, and Copper River Census Area have the highest peak reporting rates for the Spruce Grouse (counties with at least 200 checklists).