WhenToBird

Toxostoma rufum · Mimidae

When Do Brown Thrashers Arrive in North Carolina?

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

Brown Thrashers are in North Carolina all year, but most are here in fall: numbers build from the second week of September, peak in early October (27% of checklists), and fall back by mid October. In the quietest week (mid November) they are still on about 9.8% of checklists.

When to look

Numbers buildSep 8-14the second week of September
PeakOct 1-7early October
Fall back byOct 15-21mid October
FewestNov 15-21mid November

Best: early October. Here all year; numbers build from the second week of September and fall back by mid October. Peak: on about 27% of North Carolina checklists.

  1. Jancommon
  2. Febcommon
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julcommon
  8. Augcommon
  9. Seppeak season
  10. Octpeak season
  11. Novcommon
  12. Deccommon

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

0%10%20%30%Jan 1-7: 10% of 30085 checklistsJan 8-14: 11% of 22728 checklistsJan 15-21: 11% of 24292 checklistsJan 22-31: 11% of 34122 checklistsFeb 1-7: 9.0% of 26352 checklistsFeb 8-14: 10% of 29663 checklistsFeb 15-21: 11% of 41515 checklistsFeb 22-28: 12% of 24318 checklistsMar 1-7: 15% of 23408 checklistsMar 8-14: 18% of 22658 checklistsMar 15-21: 20% of 22784 checklistsMar 22-31: 23% of 36034 checklistsApr 1-7: 24% of 28131 checklistsApr 8-14: 23% of 29190 checklistsApr 15-21: 24% of 32847 checklistsApr 22-30: 24% of 47966 checklistsMay 1-7: 25% of 37076 checklistsMay 8-14: 24% of 36228 checklistsMay 15-21: 21% of 30378 checklistsMay 22-31: 21% of 40237 checklistsJun 1-7: 20% of 27551 checklistsJun 8-14: 20% of 26473 checklistsJun 15-21: 20% of 22789 checklistsJun 22-30: 20% of 27615 checklistsJul 1-7: 20% of 20022 checklistsJul 8-14: 18% of 19315 checklistsJul 15-21: 16% of 18934 checklistsJul 22-31: 15% of 25600 checklistsAug 1-7: 14% of 17987 checklistsAug 8-14: 13% of 17307 checklistsAug 15-21: 12% of 17080 checklistsAug 22-31: 14% of 25844 checklistsSep 1-7: 16% of 20818 checklistsSep 8-14: 20% of 20070 checklistsSep 15-21: 24% of 21984 checklistsSep 22-30: 27% of 26979 checklistsOct 1-7: 29% of 22605 checklistsOct 8-14: 25% of 22677 checklistsOct 15-21: 21% of 21407 checklistsOct 22-31: 15% of 25927 checklistsNov 1-7: 12% of 18830 checklistsNov 8-14: 10% of 18418 checklistsNov 15-21: 9.9% of 19101 checklistsNov 22-30: 9.4% of 25709 checklistsDec 1-7: 11% of 18856 checklistsDec 8-14: 11% of 18745 checklistsDec 15-21: 12% of 22478 checklistsDec 22-31: 10% of 34796 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 North Carolina 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 North Carolina

Best counties

Share of checklists at the peak
  1. Hertford CountyBest mid April · 20 checklists that week, 1,343 in all56%
  2. Cleveland CountyBest the second week of April · 165 checklists that week, 6,121 in all53%
  3. Gates CountyBest early October · 80 checklists that week, 4,066 in all51%
  4. Granville CountyBest early October · 111 checklists that week, 4,892 in all47%
  5. Pitt CountyBest early October · 118 checklists that week, 7,220 in all46%
  6. Bladen CountyBest early March · 62 checklists that week, 3,758 in all46%

Best spots

Share of checklists at the peak
  1. North BrevardTransylvania County, best late April · 20 checklists that week, 346 in all90%
  2. New Hanover County ParkNew Hanover County, best the second week of May · 25 checklists that week, 1,171 in all89%
  3. Fort Macon State Park (Goat Island)Carteret County, best mid June · 22 checklists that week, 671 in all89%
  4. HazelwoodWake County, best the second week of September · 32 checklists that week, 916 in all86%
  5. Princess PlaceNew Hanover County, best the second week of October · 49 checklists that week, 742 in all86%

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

Best time of day

In North Carolina, the Brown Thrasher is most often listed on checklists started between 6 and 8 am (26% of those checklists).

0%10%20%30%12 am: too few checklists (520) to judge1 am: too few checklists (489) to judge2 am: too few checklists (442) to judge3 am: too few checklists (544) to judge4 am: too few checklists (1621) to judge5 am: too few checklists (9671) to judge6 am: 26% of 50335 checklists7 am: 26% of 150152 checklists8 am: 23% of 182902 checklists9 am: 18% of 158933 checklists10 am: 15% of 128398 checklists11 am: 13% of 98671 checklists12 pm: 13% of 78640 checklists1 pm: 12% of 72510 checklists2 pm: 12% of 69179 checklists3 pm: 12% of 67669 checklists4 pm: 13% of 63964 checklists5 pm: 16% of 48520 checklists6 pm: 15% of 33196 checklists7 pm: too few checklists (19700) to judge8 pm: too few checklists (6160) to judge9 pm: too few checklists (1943) to judge10 pm: too few checklists (1119) 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
January10%11%11%11%
February9.0%10%11%12%
March15%18%20%23%
April24%23%24%24%
May25%24%21%21%
June20%20%20%20%
July20%18%16%15%
August14%13%12%14%
September16%20%24%27%
October29%25%21%15%
November12%10%9.9%9.4%
December11%11%12%10%

Neighboring states

  • South Carolina: arrives mid September, 1 week later than North Carolina
  • Virginia: arrives late March, 22 weeks earlier than North Carolina
  • West Virginia: arrives mid March, 23 weeks earlier than North Carolina
  • District of Columbia: arrives early March, 23 weeks later than North Carolina

Common questions

When do Brown Thrashers arrive in North Carolina?
Brown Thrashers are in North Carolina all year, but most are here in fall: numbers build from the second week of September, peak in early October (27% of checklists), and fall back by mid October. In the quietest week (mid November) they are still on about 9.8% of checklists.
When do Brown Thrashers leave North Carolina?
Brown Thrashers never fully leave North Carolina: numbers fall back below half their usual rate by mid October, but some are still reported in every week, about 9.8% of checklists at the low.
When is the best time to see a Brown Thrasher in North Carolina?
The Brown Thrasher is reported most often in early October, on about 27% of North Carolina checklists.
Where in North Carolina are Brown Thrashers seen most often?
By county, Hertford County, Cleveland County, and Gates County have the highest peak reporting rates for the Brown Thrasher (counties with at least 200 checklists).