WhenToBird

Nucifraga columbiana · Corvidae

When Do Clark's Nutcrackers Arrive in Oregon?

Adult Clark's Nutcracker
Photo: rdclark86, CC0 1.0 via iNaturalist

Clark's Nutcrackers arrive in Oregon in early June, peak in mid August (1.9% of checklists), and most are gone by late October.

When to look

First arrivalsJun 1-7early June
Common byJun 1-7early June
PeakAug 15-21mid August
Most gone byOct 22-31late October

Best: mid August. First arrivals early June; most are gone by late October. Peak: on about 1.9% of Oregon checklists.

  1. Janrare
  2. Febrare
  3. Marrare
  4. Apruncommon
  5. Mayuncommon
  6. Juncommon
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octcommon
  11. Novuncommon
  12. Decrare

Darker months: more checklists report it. Outlined: peak month.

0%1%2%3%Jan 1-7: 0.1% of 34973 checklistsJan 8-14: 0.2% of 26807 checklistsJan 15-21: 0.2% of 26567 checklistsJan 22-31: 0.2% of 36019 checklistsFeb 1-7: 0.2% of 24020 checklistsFeb 8-14: 0.2% of 25765 checklistsFeb 15-21: 0.2% of 31019 checklistsFeb 22-28: 0.2% of 24582 checklistsMar 1-7: 0.2% of 24834 checklistsMar 8-14: 0.1% of 24642 checklistsMar 15-21: 0.2% of 27420 checklistsMar 22-31: 0.3% of 39913 checklistsApr 1-7: 0.2% of 28817 checklistsApr 8-14: 0.2% of 31221 checklistsApr 15-21: 0.3% of 34402 checklistsApr 22-30: 0.3% of 47144 checklistsMay 1-7: 0.4% of 37716 checklistsMay 8-14: 0.4% of 39651 checklistsMay 15-21: 0.4% of 37496 checklistsMay 22-31: 0.7% of 56967 checklistsJun 1-7: 0.8% of 35893 checklistsJun 8-14: 0.9% of 31880 checklistsJun 15-21: 1.1% of 30942 checklistsJun 22-30: 1.2% of 38478 checklistsJul 1-7: 1.4% of 27409 checklistsJul 8-14: 1.6% of 25161 checklistsJul 15-21: 1.9% of 25473 checklistsJul 22-31: 1.7% of 33920 checklistsAug 1-7: 1.6% of 24310 checklistsAug 8-14: 1.9% of 23675 checklistsAug 15-21: 1.9% of 23623 checklistsAug 22-31: 2.0% of 33762 checklistsSep 1-7: 1.7% of 25120 checklistsSep 8-14: 1.5% of 24458 checklistsSep 15-21: 1.4% of 25528 checklistsSep 22-30: 1.4% of 31631 checklistsOct 1-7: 1.4% of 25498 checklistsOct 8-14: 1.1% of 25161 checklistsOct 15-21: 1.0% of 23701 checklistsOct 22-31: 0.7% of 30996 checklistsNov 1-7: 0.7% of 21089 checklistsNov 8-14: 0.5% of 21880 checklistsNov 15-21: 0.3% of 21501 checklistsNov 22-30: 0.3% of 28930 checklistsDec 1-7: 0.2% of 19807 checklistsDec 8-14: 0.2% of 21022 checklistsDec 15-21: 0.2% of 24817 checklistsDec 22-31: 0.2% of 37592 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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 Oregon 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
Second week of November

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.

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Where in Oregon

Best counties

Share of checklists at the peak
  1. Wallowa CountyBest early September · 146 checklists that week, 9,170 in all24%
  2. Grant CountyBest the second week of August · 91 checklists that week, 6,818 in all20%
  3. Klamath CountyBest mid August · 562 checklists that week, 26,875 in all20%
  4. Baker CountyBest early August · 90 checklists that week, 6,705 in all15%
  5. Lake CountyBest mid October · 77 checklists that week, 13,301 in all12%
  6. Deschutes CountyBest late August · 2028 checklists that week, 86,260 in all9.3%

Best spots

Share of checklists at the peak
  1. Cabin LakeLake County, best early August · 23 checklists that week, 778 in all95%
  2. Eagle CoveKlamath County, best late July · 35 checklists that week, 643 in all83%
  3. Pucci GladeClackamas County, best the second week of July · 46 checklists that week, 677 in all71%
  4. Upper Tumalo ReservoirDeschutes County, best mid September · 35 checklists that week, 891 in all62%
  5. Wallowa National ForestWallowa County, best late July · 20 checklists that week, 255 in all53%
  6. Klamath Marsh National Wildlife RefugeKlamath County, best mid January · 25 checklists that week, 812 in all34%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Oregon, the Clark's Nutcracker is most often listed on checklists started between 10 am and 12 pm (0.9% of those checklists).

0%0.5%1%12 am: too few checklists (1505) to judge1 am: too few checklists (675) to judge2 am: too few checklists (626) to judge3 am: too few checklists (1641) to judge4 am: too few checklists (3696) to judge5 am: too few checklists (14524) to judge6 am: 1.0% of 50677 checklists7 am: 0.7% of 125347 checklists8 am: 0.8% of 163668 checklists9 am: 0.8% of 160351 checklists10 am: 0.9% of 148940 checklists11 am: 0.9% of 124743 checklists12 pm: 0.8% of 112537 checklists1 pm: 0.7% of 98999 checklists2 pm: 0.7% of 94690 checklists3 pm: 0.6% of 87923 checklists4 pm: 0.6% of 75235 checklists5 pm: 0.6% of 54504 checklists6 pm: 0.5% of 40469 checklists7 pm: 0.4% of 33675 checklists8 pm: too few checklists (18715) to judge9 pm: too few checklists (5839) to judge10 pm: too few checklists (2704) to judge11 pm: too few checklists (1549) to judge12a3a6a9a12p3p6p9p
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
MonthDays 1-78-1415-2122-end
January0.1%0.2%0.2%0.2%
February0.2%0.2%0.2%0.2%
March0.2%0.1%0.2%0.3%
April0.2%0.2%0.3%0.3%
May0.4%0.4%0.4%0.7%
June0.8%0.9%1.1%1.2%
July1.4%1.6%1.9%1.7%
August1.6%1.9%1.9%2.0%
September1.7%1.5%1.4%1.4%
October1.4%1.1%1.0%0.7%
November0.7%0.5%0.3%0.3%
December0.2%0.2%0.2%0.2%

Neighboring states

  • Idaho: arrives the second week of May, 3 weeks earlier than Oregon
  • Nevada: arrives early May, 4 weeks earlier than Oregon
  • California: arrives late May, 1 week earlier than Oregon
  • Montana: arrives the second week of August, 9 weeks later than Oregon

Common questions

When do Clark's Nutcrackers arrive in Oregon?
Clark's Nutcrackers arrive in Oregon in early June, peak in mid August (1.9% of checklists), and most are gone by late October.
When do Clark's Nutcrackers leave Oregon?
Most Clark's Nutcrackers have left Oregon by late October, when reports fall below half their usual rate.
When is the best time to see a Clark's Nutcracker in Oregon?
The Clark's Nutcracker is reported most often in mid August, on about 1.9% of Oregon checklists.
Where in Oregon are Clark's Nutcrackers seen most often?
By county, Wallowa County, Grant County, and Klamath County have the highest peak reporting rates for the Clark's Nutcracker (counties with at least 200 checklists).