WhenToBird

Vireo solitarius · Vireonidae

When Do Blue-headed Vireos Arrive in Kansas?

Adult Blue-headed Vireo
Photo: Gordon Johnston, CC BY-SA 4.0 via iNaturalist

Blue-headed Vireos reach Kansas in mid April, are common by late April, peak in the second week of May (5.0% of checklists), and most are gone by mid May.

When to look

First arrivalsApr 15-21mid April
Common byApr 22-30late April
PeakMay 8-14the second week of May
Most gone byMay 15-21mid May

Best: the second week of May. First arrivals mid April; most are gone by mid May. Peak: on about 5.0% of Kansas checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprcommon
  5. Maypeak season
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augrare
  9. Sepcommon
  10. Octcommon
  11. Novrare
  12. Decnot usually seen

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

0%2%4%6%8%Jan 1-7: 0% of 8683 checklistsJan 8-14: 0% of 5710 checklistsJan 15-21: 0% of 5453 checklistsJan 22-31: 0% of 7868 checklistsFeb 1-7: 0% of 5579 checklistsFeb 8-14: 0% of 6307 checklistsFeb 15-21: 0% of 7830 checklistsFeb 22-28: 0% of 6124 checklistsMar 1-7: 0% of 6442 checklistsMar 8-14: 0% of 6925 checklistsMar 15-21: 0% of 7257 checklistsMar 22-31: 0% of 11527 checklistsApr 1-7: 0% of 8908 checklistsApr 8-14: 0% of 11070 checklistsApr 15-21: 0.1% of 11050 checklistsApr 22-30: 2.7% of 16381 checklistsMay 1-7: 6.2% of 15899 checklistsMay 8-14: 5.4% of 15349 checklistsMay 15-21: 2.6% of 10474 checklistsMay 22-31: 0.4% of 11264 checklistsJun 1-7: 0.1% of 6783 checklistsJun 8-14: 0% of 5654 checklistsJun 15-21: 0% of 4716 checklistsJun 22-30: 0% of 6232 checklistsJul 1-7: 0% of 5073 checklistsJul 8-14: 0% of 4528 checklistsJul 15-21: 0% of 4210 checklistsJul 22-31: 0% of 5986 checklistsAug 1-7: 0% of 4661 checklistsAug 8-14: 0% of 4762 checklistsAug 15-21: 0.1% of 4823 checklistsAug 22-31: 0.1% of 7214 checklistsSep 1-7: 1.5% of 5989 checklistsSep 8-14: 3.1% of 5549 checklistsSep 15-21: 3.5% of 5255 checklistsSep 22-30: 3.9% of 7370 checklistsOct 1-7: 3.3% of 5829 checklistsOct 8-14: 2.9% of 6183 checklistsOct 15-21: 1.6% of 5504 checklistsOct 22-31: 0.6% of 7289 checklistsNov 1-7: 0.1% of 5535 checklistsNov 8-14: 0.1% of 5462 checklistsNov 15-21: 0% of 4929 checklistsNov 22-30: 0.1% of 6627 checklistsDec 1-7: 0% of 4670 checklistsDec 8-14: 0% of 4805 checklistsDec 15-21: 0.1% of 6341 checklistsDec 22-31: 0% of 8186 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 Kansas 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 Kansas

Best counties

Share of checklists at the peak
  1. Republic CountyBest the second week of September · 10 checklists that week, 537 in all14%
  2. Lyon CountyBest late September · 10 checklists that week, 1,785 in all13%
  3. Shawnee CountyBest late September · 364 checklists that week, 16,596 in all13%
  4. Leavenworth CountyBest early October · 153 checklists that week, 9,065 in all12%
  5. Greeley CountyBest the second week of October · 10 checklists that week, 329 in all12%
  6. Johnson CountyBest the second week of May · 3380 checklists that week, 66,867 in all11%

Best spots

Share of checklists at the peak
  1. Felker ParkShawnee County, best late September · 34 checklists that week, 988 in all57%
  2. Blue Valley Recreation ComplexJohnson County, best early May · 21 checklists that week, 127 in all44%
  3. Tomahawk Creek GreenwayJohnson County, best early May · 145 checklists that week, 641 in all38%
  4. Big Shunga ParkShawnee County, best late April · 25 checklists that week, 419 in all38%
  5. Shannon ValleyJohnson County, best early May · 25 checklists that week, 112 in all34%
  6. Black HoofJohnson County, best early May · 35 checklists that week, 873 in all29%

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

Best time of day

In Kansas, the Blue-headed Vireo is most often listed on checklists started between 6 and 8 am (2.8% of those checklists).

0%1%2%3%4%12 am: too few checklists (150) to judge1 am: too few checklists (119) to judge2 am: too few checklists (97) to judge3 am: too few checklists (94) to judge4 am: too few checklists (124) to judge5 am: too few checklists (1459) to judge6 am: 3.9% of 12550 checklists7 am: 2.4% of 34128 checklists8 am: 1.7% of 45960 checklists9 am: 1.2% of 37806 checklists10 am: 0.9% of 32102 checklists11 am: 0.6% of 25896 checklists12 pm: 0.7% of 24203 checklists1 pm: 0.6% of 20269 checklists2 pm: 0.6% of 20772 checklists3 pm: 0.6% of 20978 checklists4 pm: 0.5% of 22094 checklists5 pm: 0.5% of 17739 checklists6 pm: 0.3% of 13963 checklists7 pm: 0.1% of 10110 checklists8 pm: too few checklists (4188) to judge9 pm: too few checklists (968) to judge10 pm: too few checklists (325) to judge11 pm: too few checklists (171) 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%0%0%0%
February0%0%0%0%
March0%0%0%0%
April0%0%0.1%2.7%
May6.2%5.4%2.6%0.4%
June0.1%0%0%0%
July0%0%0%0%
August0%0%0.1%0.1%
September1.5%3.1%3.5%3.9%
October3.3%2.9%1.6%0.6%
November0.1%0.1%0%0.1%
December0%0%0.1%0%

Neighboring states

  • Nebraska: arrives late August, 17 weeks later than Kansas
  • Oklahoma: arrives early April, 2 weeks earlier than Kansas
  • Missouri: arrives the second week of April, 1 week earlier than Kansas
  • Arkansas: arrives mid March, 4 weeks earlier than Kansas

Common questions

When do Blue-headed Vireos arrive in Kansas?
Blue-headed Vireos reach Kansas in mid April, are common by late April, peak in the second week of May (5.0% of checklists), and most are gone by mid May.
When do Blue-headed Vireos leave Kansas?
Most Blue-headed Vireos have left Kansas by mid May, when reports fall below half their usual rate. Stragglers are still reported until late May.
When is the best time to see a Blue-headed Vireo in Kansas?
The Blue-headed Vireo is reported most often in the second week of May, on about 5.0% of Kansas checklists.
Where in Kansas are Blue-headed Vireos seen most often?
By county, Republic County, Lyon County, and Shawnee County have the highest peak reporting rates for the Blue-headed Vireo (counties with at least 200 checklists).