WhenToBird

Toxostoma rufum · Mimidae

When Do Brown Thrashers Arrive in Virginia?

Adult Brown Thrasher
Photo: northerly, CC BY 4.0 via iNaturalist

Brown Thrashers are in Virginia all year, but most are here in spring: numbers build from late March, peak in mid April (18% of checklists), and fall back by mid July. In the quietest week (late November) they are still on about 3.9% of checklists.

When to look

Numbers buildMar 22-31late March
PeakApr 15-21mid April
Fall back byJul 15-21mid July
FewestNov 22-30late November

Best: mid April. Here all year; numbers build from late March and fall back by mid July. Peak: on about 18% of Virginia checklists.

  1. Januncommon
  2. Febuncommon
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augcommon
  9. Seppeak season
  10. Octpeak season
  11. Novuncommon
  12. Decuncommon

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

0%5%10%15%20%Jan 1-7: 4.1% of 32817 checklistsJan 8-14: 4.3% of 25111 checklistsJan 15-21: 4.3% of 25510 checklistsJan 22-31: 4.4% of 34492 checklistsFeb 1-7: 3.7% of 24950 checklistsFeb 8-14: 4.3% of 28224 checklistsFeb 15-21: 3.9% of 43578 checklistsFeb 22-28: 4.4% of 26467 checklistsMar 1-7: 4.9% of 25851 checklistsMar 8-14: 6.3% of 25901 checklistsMar 15-21: 8.2% of 26747 checklistsMar 22-31: 13% of 40819 checklistsApr 1-7: 17% of 31351 checklistsApr 8-14: 18% of 33239 checklistsApr 15-21: 18% of 37284 checklistsApr 22-30: 18% of 54364 checklistsMay 1-7: 18% of 47698 checklistsMay 8-14: 18% of 46174 checklistsMay 15-21: 17% of 36444 checklistsMay 22-31: 16% of 43203 checklistsJun 1-7: 16% of 28503 checklistsJun 8-14: 16% of 25485 checklistsJun 15-21: 16% of 23728 checklistsJun 22-30: 16% of 28785 checklistsJul 1-7: 14% of 22294 checklistsJul 8-14: 13% of 20481 checklistsJul 15-21: 11% of 18914 checklistsJul 22-31: 9.7% of 26976 checklistsAug 1-7: 7.9% of 19555 checklistsAug 8-14: 6.8% of 18744 checklistsAug 15-21: 6.4% of 18721 checklistsAug 22-31: 6.8% of 28763 checklistsSep 1-7: 8.8% of 23594 checklistsSep 8-14: 11% of 22581 checklistsSep 15-21: 14% of 23036 checklistsSep 22-30: 15% of 29687 checklistsOct 1-7: 14% of 24321 checklistsOct 8-14: 11% of 23946 checklistsOct 15-21: 8.8% of 22191 checklistsOct 22-31: 6.2% of 30161 checklistsNov 1-7: 5.0% of 21431 checklistsNov 8-14: 4.2% of 22758 checklistsNov 15-21: 3.9% of 19988 checklistsNov 22-30: 3.8% of 27665 checklistsDec 1-7: 4.0% of 19324 checklistsDec 8-14: 4.0% of 20316 checklistsDec 15-21: 4.2% of 25675 checklistsDec 22-31: 4.0% 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. Buchanan CountyBest the second week of April · 18 checklists that week, 1,612 in all59%
  2. Martinsville CountyBest late May · 30 checklists that week, 1,842 in all58%
  3. Portsmouth CountyBest early October · 48 checklists that week, 3,085 in all52%
  4. Staunton CountyBest mid June · 56 checklists that week, 4,717 in all49%
  5. Norfolk CountyBest late April · 709 checklists that week, 21,204 in all48%
  6. Grayson CountyBest mid April · 88 checklists that week, 5,247 in all45%

Best spots

Share of checklists at the peak
  1. Warrenton ReservoirFauquier County, best early May · 42 checklists that week, 545 in all89%
  2. Henricus Historical ParkChesterfield County, best the second week of May · 58 checklists that week, 3,816 in all81%
  3. West GhentNorfolk County, best mid September · 25 checklists that week, 674 in all74%
  4. Rocktown TrailsHarrisonburg County, best the second week of April · 75 checklists that week, 2,481 in all74%

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

Best time of day

In Virginia, the Brown Thrasher is most often listed on checklists started between 6 and 8 am (17% of those checklists).

0%10%20%30%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: 20% of 64788 checklists7 am: 16% of 169128 checklists8 am: 13% of 180748 checklists9 am: 11% of 153462 checklists10 am: 8.9% of 128966 checklists11 am: 7.8% of 104204 checklists12 pm: 7.4% of 91604 checklists1 pm: 7.2% of 85547 checklists2 pm: 6.3% of 82355 checklists3 pm: 6.4% of 82265 checklists4 pm: 6.7% of 76714 checklists5 pm: 8.4% of 56782 checklists6 pm: 9.0% 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
January4.1%4.3%4.3%4.4%
February3.7%4.3%3.9%4.4%
March4.9%6.3%8.2%13%
April17%18%18%18%
May18%18%17%16%
June16%16%16%16%
July14%13%11%9.7%
August7.9%6.8%6.4%6.8%
September8.8%11%14%15%
October14%11%8.8%6.2%
November5.0%4.2%3.9%3.8%
December4.0%4.0%4.2%4.0%

Neighboring states

  • District of Columbia: arrives early March, 3 weeks earlier than Virginia
  • Maryland: arrives the second week of March, 2 weeks earlier than Virginia
  • West Virginia: arrives mid March, 1 week earlier than Virginia
  • Delaware: arrives mid March, 1 week earlier than Virginia

Common questions

When do Brown Thrashers arrive in Virginia?
Brown Thrashers are in Virginia all year, but most are here in spring: numbers build from late March, peak in mid April (18% of checklists), and fall back by mid July. In the quietest week (late November) they are still on about 3.9% of checklists.
When do Brown Thrashers leave Virginia?
Brown Thrashers never fully leave Virginia: numbers fall back below half their usual rate by mid July, but some are still reported in every week, about 3.9% of checklists at the low.
When is the best time to see a Brown Thrasher in Virginia?
The Brown Thrasher is reported most often in mid April, on about 18% of Virginia checklists.
Where in Virginia are Brown Thrashers seen most often?
By county, Buchanan County, Martinsville County, and Portsmouth County have the highest peak reporting rates for the Brown Thrasher (counties with at least 200 checklists).