WhenToBird

Sturnus vulgaris · Sturnidae

When Do European Starlings Arrive in Oregon?

Adult female European Starling
Photo: egorbirder, CC BY 4.0 via iNaturalist

The European Starling is in Oregon all year. It turns up on about 35% of checklists at its peak (the second week of May) and on 15% in its quietest week (late July).

When to look

PresentAll year
Peak weekMay 8-14the second week of May
Quietest weekJul 22-31late July

Best: the second week of May. Here all year. Peak: on about 35% of Oregon checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octcommon
  11. Novcommon
  12. Decpeak season

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

0%10%20%30%40%Jan 1-7: 30% of 34973 checklistsJan 8-14: 29% of 26807 checklistsJan 15-21: 29% of 26567 checklistsJan 22-31: 30% of 36019 checklistsFeb 1-7: 29% of 24020 checklistsFeb 8-14: 29% of 25765 checklistsFeb 15-21: 28% of 31019 checklistsFeb 22-28: 30% of 24582 checklistsMar 1-7: 30% of 24834 checklistsMar 8-14: 31% of 24642 checklistsMar 15-21: 31% of 27420 checklistsMar 22-31: 31% of 39913 checklistsApr 1-7: 33% of 28817 checklistsApr 8-14: 34% of 31221 checklistsApr 15-21: 32% of 34402 checklistsApr 22-30: 33% of 47144 checklistsMay 1-7: 35% of 37716 checklistsMay 8-14: 36% of 39651 checklistsMay 15-21: 35% of 37496 checklistsMay 22-31: 31% of 56967 checklistsJun 1-7: 28% of 35893 checklistsJun 8-14: 25% of 31880 checklistsJun 15-21: 23% of 30942 checklistsJun 22-30: 20% of 38478 checklistsJul 1-7: 19% of 27409 checklistsJul 8-14: 17% of 25161 checklistsJul 15-21: 15% of 25473 checklistsJul 22-31: 15% of 33920 checklistsAug 1-7: 16% of 24310 checklistsAug 8-14: 16% of 23675 checklistsAug 15-21: 19% of 23623 checklistsAug 22-31: 19% of 33762 checklistsSep 1-7: 20% of 25120 checklistsSep 8-14: 20% of 24458 checklistsSep 15-21: 23% of 25528 checklistsSep 22-30: 24% of 31631 checklistsOct 1-7: 24% of 25498 checklistsOct 8-14: 24% of 25161 checklistsOct 15-21: 24% of 23701 checklistsOct 22-31: 24% of 30996 checklistsNov 1-7: 25% of 21089 checklistsNov 8-14: 25% of 21880 checklistsNov 15-21: 24% of 21501 checklistsNov 22-30: 25% of 28930 checklistsDec 1-7: 26% of 19807 checklistsDec 8-14: 28% of 21022 checklistsDec 15-21: 29% of 24817 checklistsDec 22-31: 29% 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. Columbia CountyBest mid May · 527 checklists that week, 27,750 in all58%
  2. Linn CountyBest early May · 586 checklists that week, 27,533 in all53%
  3. Polk CountyBest the second week of May · 733 checklists that week, 29,096 in all53%
  4. Marion CountyBest mid May · 1138 checklists that week, 52,870 in all53%
  5. Morrow CountyBest mid December · 30 checklists that week, 3,484 in all49%
  6. Malheur CountyBest late January · 41 checklists that week, 4,699 in all48%

Best spots

Share of checklists at the peak
  1. Molalla WetlandsClackamas County, best mid May · 22 checklists that week, 563 in all98%
  2. Sandy River Greenway TrailMultnomah County, best the second week of April · 37 checklists that week, 1,433 in all98%
  3. Sunset Park and Natural AreaBenton County, best late April · 85 checklists that week, 1,797 in all95%
  4. Meadowlark PrairieLane County, best late June · 20 checklists that week, 695 in all93%
  5. Ramsey LakeMultnomah County, best early January · 26 checklists that week, 371 in all92%

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

Best time of day

In Oregon, the European Starling is most often listed on checklists started between 7 and 9 am (35% of those checklists).

0%10%20%30%40%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: 31% of 50677 checklists7 am: 35% of 125347 checklists8 am: 35% of 163668 checklists9 am: 32% of 160351 checklists10 am: 27% of 148940 checklists11 am: 24% of 124743 checklists12 pm: 22% of 112537 checklists1 pm: 22% of 98999 checklists2 pm: 23% of 94690 checklists3 pm: 25% of 87923 checklists4 pm: 23% of 75235 checklists5 pm: 23% of 54504 checklists6 pm: 22% of 40469 checklists7 pm: 16% 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
January30%29%29%30%
February29%29%28%30%
March30%31%31%31%
April33%34%32%33%
May35%36%35%31%
June28%25%23%20%
July19%17%15%15%
August16%16%19%19%
September20%20%23%24%
October24%24%24%24%
November25%25%24%25%
December26%28%29%29%

Neighboring states

  • Washington: year-round, peaks the second week of May
  • Idaho: year-round, peaks the second week of May
  • Nevada: year-round, peaks the second week of May
  • California: year-round, peaks early May

Common questions

When do European Starlings arrive in Oregon?
The European Starling is in Oregon all year. It turns up on about 35% of checklists at its peak (the second week of May) and on 15% in its quietest week (late July).
When do European Starlings leave Oregon?
The European Starling does not leave Oregon: it is reported all year, from 15% of checklists in late July to 35% in the second week of May.
When is the best time to see a European Starling in Oregon?
The European Starling is reported most often in the second week of May, on about 35% of Oregon checklists.
Where in Oregon are European Starlings seen most often?
By county, Columbia County, Linn County, and Polk County have the highest peak reporting rates for the European Starling (counties with at least 200 checklists).