WhenToBird

Progne subis · Hirundinidae

When Do Purple Martins Arrive in Kansas?

Adult female Purple Martin
Photo: Ron Bondy, CC BY-SA 4.0 via iNaturalist

Purple Martins reach Kansas in mid March, are common by the second week of April, peak in mid July (20% of checklists), and most are gone by mid August.

When to look

First arrivalsMar 15-21mid March
Common byApr 8-14the second week of April
PeakJul 15-21mid July
Most gone byAug 15-21mid August

Best: mid July. First arrivals mid March; most are gone by mid August. Peak: on about 20% of Kansas checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Maruncommon
  4. Aprcommon
  5. Maycommon
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Seprare
  10. Octnot usually seen
  11. Novnot usually seen
  12. Decnot usually seen

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

0%10%20%30%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: 0.1% of 6124 checklistsMar 1-7: 0.2% of 6442 checklistsMar 8-14: 0.5% of 6925 checklistsMar 15-21: 1.3% of 7257 checklistsMar 22-31: 3.3% of 11527 checklistsApr 1-7: 5.8% of 8908 checklistsApr 8-14: 6.8% of 11070 checklistsApr 15-21: 8.4% of 11050 checklistsApr 22-30: 8.8% of 16381 checklistsMay 1-7: 8.7% of 15899 checklistsMay 8-14: 9.1% of 15349 checklistsMay 15-21: 10% of 10474 checklistsMay 22-31: 12% of 11264 checklistsJun 1-7: 12% of 6783 checklistsJun 8-14: 13% of 5654 checklistsJun 15-21: 14% of 4716 checklistsJun 22-30: 13% of 6232 checklistsJul 1-7: 18% of 5073 checklistsJul 8-14: 19% of 4528 checklistsJul 15-21: 20% of 4210 checklistsJul 22-31: 20% of 5986 checklistsAug 1-7: 16% of 4661 checklistsAug 8-14: 13% of 4762 checklistsAug 15-21: 7.4% of 4823 checklistsAug 22-31: 3.3% of 7214 checklistsSep 1-7: 1.2% of 5989 checklistsSep 8-14: 0.5% of 5549 checklistsSep 15-21: 0.2% of 5255 checklistsSep 22-30: 0.1% of 7370 checklistsOct 1-7: 0.1% of 5829 checklistsOct 8-14: 0% of 6183 checklistsOct 15-21: 0% of 5504 checklistsOct 22-31: 0% of 7289 checklistsNov 1-7: 0% of 5535 checklistsNov 8-14: 0% of 5462 checklistsNov 15-21: 0% of 4929 checklistsNov 22-30: 0% of 6627 checklistsDec 1-7: 0% of 4670 checklistsDec 8-14: 0% of 4805 checklistsDec 15-21: 0% 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. Anderson CountyBest early July · 16 checklists that week, 701 in all54%
  2. Pratt CountyBest late April · 102 checklists that week, 1,637 in all51%
  3. Labette CountyBest late June · 28 checklists that week, 1,249 in all40%
  4. Miami CountyBest the second week of July · 53 checklists that week, 5,634 in all40%
  5. Wilson CountyBest mid July · 12 checklists that week, 551 in all40%
  6. Atchison CountyBest mid July · 34 checklists that week, 3,228 in all40%

Best spots

Share of checklists at the peak
  1. Pratt County LakePratt County, best late April · 27 checklists that week, 308 in all93%
  2. Heritage ParkJohnson County, best mid July · 28 checklists that week, 1,349 in all88%
  3. Chisholm Creek ParkSedgwick County, best the second week of July · 36 checklists that week, 2,054 in all88%
  4. Pracht Wetlands ParkSedgwick County, best the second week of July · 23 checklists that week, 848 in all78%
  5. Warnock LakeAtchison County, best the second week of April · 21 checklists that week, 647 in all67%
  6. Dyck Arboretum of the PlainsHarvey County, best mid June · 22 checklists that week, 983 in all67%

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

Best time of day

In Kansas, the Purple Martin is most often listed on checklists started between 6 and 8 am (8.5% of those checklists).

0%5%10%15%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: 12% of 12550 checklists7 am: 7.2% of 34128 checklists8 am: 6.3% of 45960 checklists9 am: 4.9% of 37806 checklists10 am: 4.1% of 32102 checklists11 am: 3.8% of 25896 checklists12 pm: 4.2% of 24203 checklists1 pm: 3.7% of 20269 checklists2 pm: 3.3% of 20772 checklists3 pm: 3.2% of 20978 checklists4 pm: 3.3% of 22094 checklists5 pm: 4.7% of 17739 checklists6 pm: 7.3% of 13963 checklists7 pm: 10% 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%0.1%
March0.2%0.5%1.3%3.3%
April5.8%6.8%8.4%8.8%
May8.7%9.1%10%12%
June12%13%14%13%
July18%19%20%20%
August16%13%7.4%3.3%
September1.2%0.5%0.2%0.1%
October0.1%0%0%0%
November0%0%0%0%
December0%0%0%0%

Neighboring states

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

Common questions

When do Purple Martins arrive in Kansas?
Purple Martins reach Kansas in mid March, are common by the second week of April, peak in mid July (20% of checklists), and most are gone by mid August.
When do Purple Martins leave Kansas?
Most Purple Martins have left Kansas by mid August, when reports fall below half their usual rate. Stragglers are still reported until early September.
When is the best time to see a Purple Martin in Kansas?
The Purple Martin is reported most often in mid July, on about 20% of Kansas checklists.
Where in Kansas are Purple Martins seen most often?
By county, Anderson County, Pratt County, and Labette County have the highest peak reporting rates for the Purple Martin (counties with at least 200 checklists).