WhenToBird

Setophaga aestiva · Parulidae

When Do Northern Yellow Warblers Arrive in Virginia?

Northern Yellow Warblers mostly pass through Virginia: they arrive in mid April, peak in the second week of May (10% of checklists), and most are gone by late September.

When to look

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

Best: the second week of May. First arrivals mid April; most are gone by late September. Peak: on about 10% of Virginia checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprcommon
  5. Maypeak season
  6. Juncommon
  7. Julrare
  8. Auguncommon
  9. Sepuncommon
  10. Octrare
  11. Novnot usually seen
  12. Decnot usually seen

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

0%5%10%15%Jan 1-7: 0.1% of 32817 checklistsJan 8-14: 0.1% of 25111 checklistsJan 15-21: 0.1% of 25510 checklistsJan 22-31: 0.1% of 34492 checklistsFeb 1-7: 0.1% of 24950 checklistsFeb 8-14: 0% of 28224 checklistsFeb 15-21: 0% of 43578 checklistsFeb 22-28: 0% of 26467 checklistsMar 1-7: 0% of 25851 checklistsMar 8-14: 0% of 25901 checklistsMar 15-21: 0% of 26747 checklistsMar 22-31: 0% of 40819 checklistsApr 1-7: 0.1% of 31351 checklistsApr 8-14: 0.1% of 33239 checklistsApr 15-21: 2.1% of 37284 checklistsApr 22-30: 7.2% of 54364 checklistsMay 1-7: 12% of 47698 checklistsMay 8-14: 11% of 46174 checklistsMay 15-21: 8.0% of 36444 checklistsMay 22-31: 5.8% of 43203 checklistsJun 1-7: 4.3% of 28503 checklistsJun 8-14: 3.4% of 25485 checklistsJun 15-21: 2.5% of 23728 checklistsJun 22-30: 1.8% of 28785 checklistsJul 1-7: 1.3% of 22294 checklistsJul 8-14: 1.0% of 20481 checklistsJul 15-21: 1.1% of 18914 checklistsJul 22-31: 1.5% of 26976 checklistsAug 1-7: 1.8% of 19555 checklistsAug 8-14: 1.7% of 18744 checklistsAug 15-21: 1.9% of 18721 checklistsAug 22-31: 2.1% of 28763 checklistsSep 1-7: 2.7% of 23594 checklistsSep 8-14: 2.5% of 22581 checklistsSep 15-21: 2.6% of 23036 checklistsSep 22-30: 1.8% of 29687 checklistsOct 1-7: 0.9% of 24321 checklistsOct 8-14: 0.3% of 23946 checklistsOct 15-21: 0.1% of 22191 checklistsOct 22-31: 0.1% of 30161 checklistsNov 1-7: 0.1% of 21431 checklistsNov 8-14: 0% of 22758 checklistsNov 15-21: 0.1% of 19988 checklistsNov 22-30: 0.1% of 27665 checklistsDec 1-7: 0.1% of 19324 checklistsDec 8-14: 0.1% of 20316 checklistsDec 15-21: 0.1% of 25675 checklistsDec 22-31: 0.1% of 38677 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 Virginia 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 Virginia

Best counties

Share of checklists at the peak
  1. Clarke CountyBest the second week of May · 213 checklists that week, 8,388 in all36%
  2. Highland CountyBest mid May · 331 checklists that week, 4,762 in all35%
  3. Tazewell CountyBest the second week of May · 129 checklists that week, 4,405 in all29%
  4. Buchanan CountyBest the second week of June · 53 checklists that week, 1,612 in all28%
  5. Wythe CountyBest early May · 75 checklists that week, 2,929 in all25%
  6. Smyth CountyBest early May · 138 checklists that week, 5,350 in all24%

Best spots

Share of checklists at the peak
  1. Four Mile Run ParkAlexandria County, best late May · 113 checklists that week, 2,663 in all91%
  2. Four Mile Run Park (Lynhaven)Alexandria County, best late May · 21 checklists that week, 330 in all89%
  3. Reusens ReservoirLynchburg County, best mid May · 33 checklists that week, 1,031 in all89%
  4. Laurel Fork Highlands (southwest)Highland County, best late May · 45 checklists that week, 192 in all78%
  5. Rippon Landing ParkPrince William County, best late May · 29 checklists that week, 959 in all75%

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

Best time of day

In Virginia, the Northern Yellow Warbler is most often listed on checklists started between 6 and 8 am (4.1% of those checklists).

0%2%4%6%12 am: too few checklists (485) to judge1 am: too few checklists (488) to judge2 am: too few checklists (423) to judge3 am: too few checklists (565) to judge4 am: too few checklists (1410) to judge5 am: too few checklists (10265) to judge6 am: 5.2% of 64788 checklists7 am: 3.6% of 169128 checklists8 am: 2.6% of 180748 checklists9 am: 2.3% of 153462 checklists10 am: 1.9% of 128966 checklists11 am: 1.7% of 104204 checklists12 pm: 1.5% of 91604 checklists1 pm: 1.3% of 85547 checklists2 pm: 1.2% of 82355 checklists3 pm: 1.1% of 82265 checklists4 pm: 1.0% of 76714 checklists5 pm: 1.3% of 56782 checklists6 pm: 1.5% of 40131 checklists7 pm: too few checklists (24290) to judge8 pm: too few checklists (7744) to judge9 pm: too few checklists (2383) to judge10 pm: too few checklists (1122) to judge11 pm: too few checklists (651) 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
January0.1%0.1%0.1%0.1%
February0.1%0%0%0%
March0%0%0%0%
April0.1%0.1%2.1%7.2%
May12%11%8.0%5.8%
June4.3%3.4%2.5%1.8%
July1.3%1.0%1.1%1.5%
August1.8%1.7%1.9%2.1%
September2.7%2.5%2.6%1.8%
October0.9%0.3%0.1%0.1%
November0.1%0%0.1%0.1%
December0.1%0.1%0.1%0.1%

Neighboring states

  • District of Columbia: arrives mid April, in the same week than Virginia
  • Maryland: arrives mid April, in the same week than Virginia
  • West Virginia: arrives the second week of April, 1 week earlier than Virginia
  • Delaware: arrives mid April, in the same week than Virginia

Common questions

When do Northern Yellow Warblers arrive in Virginia?
Northern Yellow Warblers mostly pass through Virginia: they arrive in mid April, peak in the second week of May (10% of checklists), and most are gone by late September.
When do Northern Yellow Warblers leave Virginia?
Most Northern Yellow Warblers have left Virginia by late September, when reports fall below half their usual rate. Stragglers are still reported until early October.
When is the best time to see a Northern Yellow Warbler in Virginia?
The Northern Yellow Warbler is reported most often in the second week of May, on about 10% of Virginia checklists.
Where in Virginia are Northern Yellow Warblers seen most often?
By county, Clarke County, Highland County, and Tazewell County have the highest peak reporting rates for the Northern Yellow Warbler (counties with at least 200 checklists).