WhenToBird

Mniotilta varia · Parulidae

When Do Black-and-white Warblers Arrive in South Carolina?

Adult female Black-and-white Warbler
Photo: Donald Davesne, CC BY 4.0 via iNaturalist

Black-and-white Warblers arrive in South Carolina in mid August, peak in late April (11% of checklists), and most are gone by late May.

When to look

First arrivalsAug 15-21mid August
Common byAug 15-21mid August
PeakApr 22-30late April
Most gone byMay 22-31late May

Best: late April. First arrivals mid August; most are gone by late May. Peak: on about 11% of South Carolina checklists.

  1. Januncommon
  2. Febuncommon
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Jununcommon
  7. Juluncommon
  8. Auguncommon
  9. Seppeak season
  10. Octpeak season
  11. Novuncommon
  12. Decuncommon

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

0%5%10%15%Jan 1-7: 3.6% of 15487 checklistsJan 8-14: 3.9% of 11691 checklistsJan 15-21: 3.4% of 11994 checklistsJan 22-31: 3.0% of 16225 checklistsFeb 1-7: 2.9% of 12192 checklistsFeb 8-14: 2.3% of 14044 checklistsFeb 15-21: 2.1% of 18483 checklistsFeb 22-28: 2.5% of 12045 checklistsMar 1-7: 2.3% of 11511 checklistsMar 8-14: 2.9% of 11704 checklistsMar 15-21: 4.6% of 11526 checklistsMar 22-31: 6.6% of 17386 checklistsApr 1-7: 7.5% of 13148 checklistsApr 8-14: 7.9% of 13193 checklistsApr 15-21: 11% of 13936 checklistsApr 22-30: 12% of 19002 checklistsMay 1-7: 9.0% of 14133 checklistsMay 8-14: 6.1% of 13668 checklistsMay 15-21: 3.8% of 11064 checklistsMay 22-31: 2.9% of 14461 checklistsJun 1-7: 2.2% of 10231 checklistsJun 8-14: 1.7% of 9417 checklistsJun 15-21: 1.7% of 8012 checklistsJun 22-30: 1.5% of 9720 checklistsJul 1-7: 2.0% of 7907 checklistsJul 8-14: 1.5% of 7338 checklistsJul 15-21: 1.6% of 7312 checklistsJul 22-31: 1.3% of 10877 checklistsAug 1-7: 1.1% of 7816 checklistsAug 8-14: 1.3% of 7655 checklistsAug 15-21: 2.0% of 7797 checklistsAug 22-31: 3.9% of 11246 checklistsSep 1-7: 4.9% of 8956 checklistsSep 8-14: 6.4% of 8929 checklistsSep 15-21: 7.5% of 9389 checklistsSep 22-30: 7.7% of 13028 checklistsOct 1-7: 9.4% of 11063 checklistsOct 8-14: 8.6% of 10968 checklistsOct 15-21: 7.8% of 10264 checklistsOct 22-31: 5.3% of 12917 checklistsNov 1-7: 3.6% of 8802 checklistsNov 8-14: 3.4% of 8339 checklistsNov 15-21: 3.5% of 8798 checklistsNov 22-30: 3.8% of 12925 checklistsDec 1-7: 3.5% of 8541 checklistsDec 8-14: 3.4% of 8609 checklistsDec 15-21: 3.7% of 9961 checklistsDec 22-31: 3.6% of 17541 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 South 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.

Embed this map on your site

Where in South Carolina

Best counties

Share of checklists at the peak
  1. Union CountyBest early May · 35 checklists that week, 851 in all54%
  2. McCormick CountyBest early April · 22 checklists that week, 1,566 in all43%
  3. Chester CountyBest the second week of April · 21 checklists that week, 921 in all42%
  4. Saluda CountyBest early April · 56 checklists that week, 1,965 in all38%
  5. Lee CountyBest the second week of September · 15 checklists that week, 1,310 in all37%
  6. Newberry CountyBest mid April · 134 checklists that week, 5,048 in all33%

Best spots

Share of checklists at the peak
  1. Forty Acre Rock Heritage Preserve / Wildlife Management AreaLancaster County, best the second week of April · 25 checklists that week, 135 in all80%
  2. Cedar Falls ParkGreenville County, best late March · 35 checklists that week, 651 in all74%
  3. Jarvis Creek ParkBeaufort County, best the second week of October · 54 checklists that week, 1,070 in all57%
  4. Bartons Pond (historical)Aiken County, best late April · 41 checklists that week, 776 in all54%
  5. Ashmore Heritage Preserve / Wildlife Management AreaGreenville County, best late April · 35 checklists that week, 150 in all54%
  6. Charles Towne Landing State Historic SiteCharleston County, best the second week of October · 31 checklists that week, 762 in all53%

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

Best time of day

In South Carolina, the Black-and-white Warbler is most often listed on checklists started between 6 and 8 am (7.1% of those checklists).

0%2%4%6%8%12 am: too few checklists (222) to judge1 am: too few checklists (160) to judge2 am: too few checklists (132) to judge3 am: too few checklists (212) to judge4 am: too few checklists (267) to judge5 am: too few checklists (1898) to judge6 am: 6.6% of 19280 checklists7 am: 7.3% of 66492 checklists8 am: 6.4% of 73941 checklists9 am: 5.7% of 63039 checklists10 am: 4.7% of 52652 checklists11 am: 4.1% of 41908 checklists12 pm: 3.7% of 36782 checklists1 pm: 3.8% of 33300 checklists2 pm: 3.6% of 32248 checklists3 pm: 3.0% of 35451 checklists4 pm: 2.4% of 34410 checklists5 pm: 2.1% of 27073 checklists6 pm: 1.9% of 17375 checklists7 pm: too few checklists (10313) to judge8 pm: too few checklists (2756) to judge9 pm: too few checklists (672) to judge10 pm: too few checklists (412) to judge11 pm: too few checklists (256) 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
January3.6%3.9%3.4%3.0%
February2.9%2.3%2.1%2.5%
March2.3%2.9%4.6%6.6%
April7.5%7.9%11%12%
May9.0%6.1%3.8%2.9%
June2.2%1.7%1.7%1.5%
July2.0%1.5%1.6%1.3%
August1.1%1.3%2.0%3.9%
September4.9%6.4%7.5%7.7%
October9.4%8.6%7.8%5.3%
November3.6%3.4%3.5%3.8%
December3.5%3.4%3.7%3.6%

Neighboring states

  • North Carolina: arrives mid March, 20 weeks earlier than South Carolina
  • Georgia: arrives early March, 22 weeks earlier than South Carolina
  • Tennessee: arrives late March, 19 weeks earlier than South Carolina
  • Virginia: arrives late March, 19 weeks earlier than South Carolina

Common questions

When do Black-and-white Warblers arrive in South Carolina?
Black-and-white Warblers arrive in South Carolina in mid August, peak in late April (11% of checklists), and most are gone by late May.
When do Black-and-white Warblers leave South Carolina?
Most Black-and-white Warblers have left South Carolina by late May, when reports fall below half their usual rate. Stragglers are still reported until the second week of July.
When is the best time to see a Black-and-white Warbler in South Carolina?
The Black-and-white Warbler is reported most often in late April, on about 11% of South Carolina checklists.
Where in South Carolina are Black-and-white Warblers seen most often?
By county, Union County, McCormick County, and Chester County have the highest peak reporting rates for the Black-and-white Warbler (counties with at least 200 checklists).