WhenToBird

Setophaga coronata · Parulidae

When Do Yellow-rumped Warblers Arrive in Missouri?

Adult Yellow-rumped Warbler
Photo: Jonathan Eisen, CC BY 4.0 via iNaturalist

Yellow-rumped Warblers are winter birds in Missouri: the first arrive in mid September, they are common by late September, peak in mid October (34% of checklists), and most are gone by the second week of May.

When to look

First arrivalsSep 15-21mid September
Common bySep 22-30late September
PeakOct 15-21mid October
Most gone byMay 8-14the second week of May

Best: mid October. First arrivals mid September; most are gone by the second week of May. Peak: on about 34% of Missouri checklists.

  1. Januncommon
  2. Febuncommon
  3. Marcommon
  4. Aprpeak season
  5. Maycommon
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Sepuncommon
  10. Octpeak season
  11. Novcommon
  12. Decuncommon

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

0%10%20%30%40%Jan 1-7: 8.6% of 12628 checklistsJan 8-14: 7.1% of 9076 checklistsJan 15-21: 6.9% of 8790 checklistsJan 22-31: 8.2% of 11986 checklistsFeb 1-7: 8.0% of 8987 checklistsFeb 8-14: 6.9% of 10394 checklistsFeb 15-21: 6.0% of 15472 checklistsFeb 22-28: 8.5% of 9917 checklistsMar 1-7: 8.8% of 9877 checklistsMar 8-14: 10% of 9570 checklistsMar 15-21: 11% of 10274 checklistsMar 22-31: 13% of 16156 checklistsApr 1-7: 17% of 12774 checklistsApr 8-14: 25% of 14048 checklistsApr 15-21: 31% of 14894 checklistsApr 22-30: 32% of 23288 checklistsMay 1-7: 22% of 22645 checklistsMay 8-14: 7.6% of 21384 checklistsMay 15-21: 1.6% of 13989 checklistsMay 22-31: 0.1% of 15784 checklistsJun 1-7: 0% of 9691 checklistsJun 8-14: 0.1% of 9036 checklistsJun 15-21: 0% of 7907 checklistsJun 22-30: 0.1% of 9831 checklistsJul 1-7: 0% of 8008 checklistsJul 8-14: 0% of 7202 checklistsJul 15-21: 0% of 7151 checklistsJul 22-31: 0% of 9833 checklistsAug 1-7: 0% of 7639 checklistsAug 8-14: 0% of 7507 checklistsAug 15-21: 0% of 7429 checklistsAug 22-31: 0% of 11182 checklistsSep 1-7: 0.1% of 9471 checklistsSep 8-14: 0.5% of 8501 checklistsSep 15-21: 1.3% of 8169 checklistsSep 22-30: 8.0% of 11572 checklistsOct 1-7: 21% of 9028 checklistsOct 8-14: 34% of 9413 checklistsOct 15-21: 37% of 8656 checklistsOct 22-31: 31% of 11625 checklistsNov 1-7: 24% of 8627 checklistsNov 8-14: 18% of 8284 checklistsNov 15-21: 13% of 8075 checklistsNov 22-30: 12% of 10430 checklistsDec 1-7: 9.4% of 7870 checklistsDec 8-14: 10% of 7567 checklistsDec 15-21: 12% of 9696 checklistsDec 22-31: 11% of 13142 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 Missouri 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 Missouri

Best counties

Share of checklists at the peak
  1. Daviess CountyBest the second week of October · 26 checklists that week, 1,354 in all67%
  2. Oregon CountyBest late October · 18 checklists that week, 1,145 in all65%
  3. Callaway CountyBest mid October · 43 checklists that week, 3,812 in all63%
  4. Webster CountyBest the second week of November · 18 checklists that week, 750 in all63%
  5. Audrain CountyBest early October · 17 checklists that week, 331 in all61%
  6. Harrison CountyBest mid October · 11 checklists that week, 715 in all59%

Best spots

Share of checklists at the peak
  1. Bee Tree County ParkSt. Louis County, best the second week of October · 20 checklists that week, 562 in all94%
  2. Little Dixie Lake Conservation AreaCallaway County, best the second week of April · 21 checklists that week, 453 in all90%
  3. Kimmswick Open SpaceJefferson County, best late October · 21 checklists that week, 361 in all88%
  4. Port Hudson Lake Conservation AreaFranklin County, best late October · 23 checklists that week, 457 in all83%
  5. Mdc Nature Center/ North CountyCape Girardeau County, best early November · 33 checklists that week, 1,627 in all83%
  6. Jefferson Barracks County ParkSt. Louis County, best mid October · 25 checklists that week, 1,157 in all83%

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

Best time of day

In Missouri, the Yellow-rumped Warbler is most often listed on checklists started between 7 and 9 am (14% of those checklists).

0%5%10%15%12 am: too few checklists (205) to judge1 am: too few checklists (179) to judge2 am: too few checklists (204) to judge3 am: too few checklists (216) to judge4 am: too few checklists (630) to judge5 am: too few checklists (5072) to judge6 am: 13% of 27231 checklists7 am: 14% of 64162 checklists8 am: 13% of 67854 checklists9 am: 13% of 56515 checklists10 am: 11% of 47496 checklists11 am: 10% of 38845 checklists12 pm: 10% of 33383 checklists1 pm: 11% of 32503 checklists2 pm: 11% of 32615 checklists3 pm: 11% of 32514 checklists4 pm: 10% of 30274 checklists5 pm: 9.7% of 23446 checklists6 pm: 6.3% of 16374 checklists7 pm: too few checklists (10236) to judge8 pm: too few checklists (3133) to judge9 pm: too few checklists (722) to judge10 pm: too few checklists (405) to judge11 pm: too few checklists (261) 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
January8.6%7.1%6.9%8.2%
February8.0%6.9%6.0%8.5%
March8.8%10%11%13%
April17%25%31%32%
May22%7.6%1.6%0.1%
June0%0.1%0%0.1%
July0%0%0%0%
August0%0%0%0%
September0.1%0.5%1.3%8.0%
October21%34%37%31%
November24%18%13%12%
December9.4%10%12%11%

Neighboring states

  • Arkansas: arrives late September, 1 week later than Missouri
  • Iowa: arrives early September, 2 weeks earlier than Missouri
  • Kansas: arrives mid September, in the same week than Missouri
  • Illinois: arrives late August, 3 weeks earlier than Missouri

Common questions

When do Yellow-rumped Warblers arrive in Missouri?
Yellow-rumped Warblers are winter birds in Missouri: the first arrive in mid September, they are common by late September, peak in mid October (34% of checklists), and most are gone by the second week of May.
When do Yellow-rumped Warblers leave Missouri?
Most Yellow-rumped Warblers have left Missouri by the second week of May, when reports fall below half their usual rate. Stragglers are still reported until mid May.
When is the best time to see a Yellow-rumped Warbler in Missouri?
The Yellow-rumped Warbler is reported most often in mid October, on about 34% of Missouri checklists.
Where in Missouri are Yellow-rumped Warblers seen most often?
By county, Daviess County, Oregon County, and Callaway County have the highest peak reporting rates for the Yellow-rumped Warbler (counties with at least 200 checklists).