WhenToBird

Vireo huttoni · Vireonidae

When Do Hutton's Vireos Arrive in Oregon?

Adult Hutton's Vireo
Photo: Garth Harwood, CC BY 4.0 via iNaturalist

Hutton's Vireos are winter birds in Oregon: the first arrive in mid January, they are common by early February, peak in late March (3.1% of checklists), and most are gone by the second week of October.

When to look

First arrivalsJan 15-21mid January
Common byFeb 1-7early February
PeakMar 22-31late March
Most gone byOct 8-14the second week of October

Best: late March. First arrivals mid January; most are gone by the second week of October. Peak: on about 3.1% of Oregon checklists.

  1. Januncommon
  2. Febcommon
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octcommon
  11. Novuncommon
  12. Decuncommon

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

0%1%2%3%4%Jan 1-7: 1.0% of 34973 checklistsJan 8-14: 1.0% of 26807 checklistsJan 15-21: 0.9% of 26567 checklistsJan 22-31: 1.3% of 36019 checklistsFeb 1-7: 1.5% of 24020 checklistsFeb 8-14: 1.7% of 25765 checklistsFeb 15-21: 1.7% of 31019 checklistsFeb 22-28: 2.4% of 24582 checklistsMar 1-7: 2.6% of 24834 checklistsMar 8-14: 3.0% of 24642 checklistsMar 15-21: 3.2% of 27420 checklistsMar 22-31: 3.1% of 39913 checklistsApr 1-7: 3.0% of 28817 checklistsApr 8-14: 2.9% of 31221 checklistsApr 15-21: 3.3% of 34402 checklistsApr 22-30: 2.9% of 47144 checklistsMay 1-7: 2.5% of 37716 checklistsMay 8-14: 2.2% of 39651 checklistsMay 15-21: 2.1% of 37496 checklistsMay 22-31: 1.7% of 56967 checklistsJun 1-7: 1.9% of 35893 checklistsJun 8-14: 1.9% of 31880 checklistsJun 15-21: 1.7% of 30942 checklistsJun 22-30: 2.2% of 38478 checklistsJul 1-7: 1.9% of 27409 checklistsJul 8-14: 1.8% of 25161 checklistsJul 15-21: 1.8% of 25473 checklistsJul 22-31: 1.8% of 33920 checklistsAug 1-7: 1.4% of 24310 checklistsAug 8-14: 1.6% of 23675 checklistsAug 15-21: 1.4% of 23623 checklistsAug 22-31: 1.5% of 33762 checklistsSep 1-7: 1.8% of 25120 checklistsSep 8-14: 1.7% of 24458 checklistsSep 15-21: 1.8% of 25528 checklistsSep 22-30: 1.8% of 31631 checklistsOct 1-7: 1.9% of 25498 checklistsOct 8-14: 1.6% of 25161 checklistsOct 15-21: 1.3% of 23701 checklistsOct 22-31: 1.2% of 30996 checklistsNov 1-7: 1.1% of 21089 checklistsNov 8-14: 1.2% of 21880 checklistsNov 15-21: 1.1% of 21501 checklistsNov 22-30: 1.2% of 28930 checklistsDec 1-7: 1.1% of 19807 checklistsDec 8-14: 1.1% of 21022 checklistsDec 15-21: 1.1% of 24817 checklistsDec 22-31: 1.1% 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. Douglas CountyBest mid March · 320 checklists that week, 17,976 in all9.2%
  2. Curry CountyBest the second week of April · 206 checklists that week, 12,513 in all8.5%
  3. Coos CountyBest the second week of April · 484 checklists that week, 24,368 in all7.7%
  4. Benton CountyBest the second week of March · 2592 checklists that week, 144,626 in all6.6%
  5. Yamhill CountyBest mid May · 337 checklists that week, 11,537 in all6.4%
  6. Polk CountyBest mid April · 726 checklists that week, 29,096 in all6.1%

Best spots

Share of checklists at the peak
  1. North Canemah BluffsClackamas County, best the second week of April · 20 checklists that week, 506 in all52%
  2. Cooper Mountain Nature ParkWashington County, best late April · 117 checklists that week, 1,154 in all47%
  3. Rotary Nature PreserveYamhill County, best late May · 25 checklists that week, 367 in all44%
  4. City of Portland Reservoir Number 3Multnomah County, best the second week of September · 24 checklists that week, 1,693 in all43%
  5. Columbia Children's ArboretumMultnomah County, best late March · 20 checklists that week, 510 in all42%
  6. Straub Nature ParkPolk County, best late April · 20 checklists that week, 321 in all40%

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

Best time of day

In Oregon, the Hutton's Vireo is most often listed on checklists started between 6 and 8 am (3.1% of those checklists).

0%1%2%3%4%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: 2.7% of 50677 checklists7 am: 3.2% of 125347 checklists8 am: 3.0% of 163668 checklists9 am: 2.5% of 160351 checklists10 am: 2.0% of 148940 checklists11 am: 1.7% of 124743 checklists12 pm: 1.5% of 112537 checklists1 pm: 1.4% of 98999 checklists2 pm: 1.2% of 94690 checklists3 pm: 1.0% of 87923 checklists4 pm: 0.8% of 75235 checklists5 pm: 0.7% of 54504 checklists6 pm: 0.6% of 40469 checklists7 pm: 0.3% 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
January1.0%1.0%0.9%1.3%
February1.5%1.7%1.7%2.4%
March2.6%3.0%3.2%3.1%
April3.0%2.9%3.3%2.9%
May2.5%2.2%2.1%1.7%
June1.9%1.9%1.7%2.2%
July1.9%1.8%1.8%1.8%
August1.4%1.6%1.4%1.5%
September1.8%1.7%1.8%1.8%
October1.9%1.6%1.3%1.2%
November1.1%1.2%1.1%1.2%
December1.1%1.1%1.1%1.1%

Neighboring states

  • Washington: arrives mid January, in the same week than Oregon
  • California: year-round, peaks late September
  • Arizona: arrives mid March, 8 weeks later than Oregon

Common questions

When do Hutton's Vireos arrive in Oregon?
Hutton's Vireos are winter birds in Oregon: the first arrive in mid January, they are common by early February, peak in late March (3.1% of checklists), and most are gone by the second week of October.
When do Hutton's Vireos leave Oregon?
Most Hutton's Vireos have left Oregon by the second week of October, when reports fall below half their usual rate. Stragglers are still reported until early January.
When is the best time to see a Hutton's Vireo in Oregon?
The Hutton's Vireo is reported most often in late March, on about 3.1% of Oregon checklists.
Where in Oregon are Hutton's Vireos seen most often?
By county, Douglas County, Curry County, and Coos County have the highest peak reporting rates for the Hutton's Vireo (counties with at least 200 checklists).