WhenToBird

Empidonax virescens · Tyrannidae

When Do Acadian Flycatchers Arrive in Virginia?

Adult Acadian Flycatcher
Photo: Amber M. King, CC BY 4.0 via iNaturalist

Acadian Flycatchers reach Virginia in late April, are common by the second week of May, peak in early June (18% of checklists), and most are gone by early August.

When to look

First arrivalsApr 22-30late April
Common byMay 8-14the second week of May
PeakJun 1-7early June
Most gone byAug 1-7early August

Best: early June. First arrivals late April; most are gone by early August. Peak: on about 18% of Virginia checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprrare
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augcommon
  9. Sepuncommon
  10. Octnot usually seen
  11. Novnot usually seen
  12. Decnot usually seen

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

0%5%10%15%20%Jan 1-7: 0% of 32817 checklistsJan 8-14: 0% of 25111 checklistsJan 15-21: 0% of 25510 checklistsJan 22-31: 0% of 34492 checklistsFeb 1-7: 0% 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% of 31351 checklistsApr 8-14: 0% of 33239 checklistsApr 15-21: 0.1% of 37284 checklistsApr 22-30: 1.1% of 54364 checklistsMay 1-7: 6.3% of 47698 checklistsMay 8-14: 11% of 46174 checklistsMay 15-21: 14% of 36444 checklistsMay 22-31: 17% of 43203 checklistsJun 1-7: 18% of 28503 checklistsJun 8-14: 18% of 25485 checklistsJun 15-21: 16% of 23728 checklistsJun 22-30: 16% of 28785 checklistsJul 1-7: 16% of 22294 checklistsJul 8-14: 15% of 20481 checklistsJul 15-21: 13% of 18914 checklistsJul 22-31: 10% of 26976 checklistsAug 1-7: 7.6% of 19555 checklistsAug 8-14: 5.5% of 18744 checklistsAug 15-21: 4.6% of 18721 checklistsAug 22-31: 4.3% of 28763 checklistsSep 1-7: 4.3% of 23594 checklistsSep 8-14: 4.0% of 22581 checklistsSep 15-21: 2.4% of 23036 checklistsSep 22-30: 0.7% of 29687 checklistsOct 1-7: 0.1% of 24321 checklistsOct 8-14: 0.1% of 23946 checklistsOct 15-21: 0% of 22191 checklistsOct 22-31: 0% of 30161 checklistsNov 1-7: 0% of 21431 checklistsNov 8-14: 0% of 22758 checklistsNov 15-21: 0% of 19988 checklistsNov 22-30: 0% of 27665 checklistsDec 1-7: 0% of 19324 checklistsDec 8-14: 0% of 20316 checklistsDec 15-21: 0% of 25675 checklistsDec 22-31: 0% 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. King and Queen CountyBest late June · 56 checklists that week, 1,759 in all55%
  2. Essex CountyBest late May · 87 checklists that week, 2,973 in all53%
  3. Greensville CountyBest early June · 29 checklists that week, 454 in all52%
  4. Powhatan CountyBest late May · 226 checklists that week, 5,825 in all46%
  5. Prince George CountyBest early June · 43 checklists that week, 1,809 in all46%
  6. Southampton CountyBest early June · 32 checklists that week, 717 in all45%

Best spots

Share of checklists at the peak
  1. Elizabeth Hartwell Mason Neck National Wildlife RefugeFairfax County, best the second week of July · 21 checklists that week, 863 in all94%
  2. Thompson Wildlife Management AreaFauquier County, best early June · 46 checklists that week, 820 in all94%
  3. Wildwood ParkRadford County, best late May · 32 checklists that week, 641 in all92%
  4. New QuarterYork County, best late July · 27 checklists that week, 1,099 in all89%
  5. White OaksFairfax County, best late May · 43 checklists that week, 799 in all85%
  6. Blue Ridge Center for Env StewardshipLoudoun County, best late June · 29 checklists that week, 651 in all83%

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

Best time of day

In Virginia, the Acadian Flycatcher is most often listed on checklists started between 6 and 8 am (7.6% of those checklists).

0%5%10%15%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: 11% of 64788 checklists7 am: 6.3% of 169128 checklists8 am: 5.2% of 180748 checklists9 am: 4.7% of 153462 checklists10 am: 4.1% of 128966 checklists11 am: 3.4% of 104204 checklists12 pm: 3.0% of 91604 checklists1 pm: 2.4% of 85547 checklists2 pm: 2.2% of 82355 checklists3 pm: 2.0% of 82265 checklists4 pm: 2.0% of 76714 checklists5 pm: 2.5% of 56782 checklists6 pm: 3.1% 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%0%0%0%
February0%0%0%0%
March0%0%0%0%
April0%0%0.1%1.1%
May6.3%11%14%17%
June18%18%16%16%
July16%15%13%10%
August7.6%5.5%4.6%4.3%
September4.3%4.0%2.4%0.7%
October0.1%0.1%0%0%
November0%0%0%0%
December0%0%0%0%

Neighboring states

  • District of Columbia: arrives late April, in the same week than Virginia
  • Maryland: arrives late April, in the same week than Virginia
  • West Virginia: arrives late April, in the same week than Virginia
  • Delaware: arrives late April, in the same week than Virginia

Common questions

When do Acadian Flycatchers arrive in Virginia?
Acadian Flycatchers reach Virginia in late April, are common by the second week of May, peak in early June (18% of checklists), and most are gone by early August.
When do Acadian Flycatchers leave Virginia?
Most Acadian Flycatchers have left Virginia by early August, when reports fall below half their usual rate. Stragglers are still reported until mid September.
When is the best time to see a Acadian Flycatcher in Virginia?
The Acadian Flycatcher is reported most often in early June, on about 18% of Virginia checklists.
Where in Virginia are Acadian Flycatchers seen most often?
By county, King and Queen County, Essex County, and Greensville County have the highest peak reporting rates for the Acadian Flycatcher (counties with at least 200 checklists).