WhenToBird

Vireo philadelphicus · Vireonidae

When Do Philadelphia Vireos Arrive in Georgia?

Adult Philadelphia Vireo
Photo: Sue Carnahan, CC BY 4.0 via iNaturalist

Philadelphia Vireos mostly pass through Georgia: they arrive in mid September, peak in late September (1.5% of checklists), and most are gone by the second week of October.

When to look

First arrivalsSep 15-21mid September
Common bySep 15-21mid September
PeakSep 22-30late September
Most gone byOct 8-14the second week of October

Best: late September. First arrivals mid September; most are gone by the second week of October. Peak: on about 1.5% of Georgia checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprnot usually seen
  5. Maynot usually seen
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Seppeak season
  10. Octpeak season
  11. Novnot usually seen
  12. Decnot usually seen

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

0%0.5%1%1.5%2%Jan 1-7: 0% of 22238 checklistsJan 8-14: 0% of 16390 checklistsJan 15-21: 0% of 16779 checklistsJan 22-31: 0% of 22964 checklistsFeb 1-7: 0% of 16870 checklistsFeb 8-14: 0% of 19486 checklistsFeb 15-21: 0% of 28540 checklistsFeb 22-28: 0% of 17005 checklistsMar 1-7: 0% of 15920 checklistsMar 8-14: 0% of 16274 checklistsMar 15-21: 0% of 16432 checklistsMar 22-31: 0% of 25318 checklistsApr 1-7: 0% of 19292 checklistsApr 8-14: 0% of 19742 checklistsApr 15-21: 0% of 21498 checklistsApr 22-30: 0% of 29736 checklistsMay 1-7: 0.1% of 20858 checklistsMay 8-14: 0% of 20346 checklistsMay 15-21: 0% of 15859 checklistsMay 22-31: 0% of 19867 checklistsJun 1-7: 0% of 13467 checklistsJun 8-14: 0% of 12812 checklistsJun 15-21: 0% of 11379 checklistsJun 22-30: 0% of 14121 checklistsJul 1-7: 0% of 11176 checklistsJul 8-14: 0% of 10695 checklistsJul 15-21: 0% of 10655 checklistsJul 22-31: 0% of 15106 checklistsAug 1-7: 0% of 10650 checklistsAug 8-14: 0% of 10247 checklistsAug 15-21: 0% of 10371 checklistsAug 22-31: 0% of 15203 checklistsSep 1-7: 0.1% of 13007 checklistsSep 8-14: 0.2% of 12541 checklistsSep 15-21: 0.9% of 12943 checklistsSep 22-30: 1.5% of 17655 checklistsOct 1-7: 1.9% of 14646 checklistsOct 8-14: 0.9% of 15836 checklistsOct 15-21: 0.2% of 13124 checklistsOct 22-31: 0.1% of 15859 checklistsNov 1-7: 0.1% of 11711 checklistsNov 8-14: 0% of 11587 checklistsNov 15-21: 0% of 12025 checklistsNov 22-30: 0% of 16431 checklistsDec 1-7: 0% of 11256 checklistsDec 8-14: 0% of 11967 checklistsDec 15-21: 0% of 15618 checklistsDec 22-31: 0% of 22453 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 Georgia 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 Georgia

Best counties

Share of checklists at the peak
  1. Murray CountyBest early October · 50 checklists that week, 4,855 in all15%
  2. Bartow CountyBest late September · 258 checklists that week, 11,762 in all8.6%
  3. Dawson CountyBest early October · 43 checklists that week, 3,057 in all5.3%
  4. Catoosa CountyBest the second week of October · 24 checklists that week, 2,243 in all4.5%
  5. Rabun CountyBest mid September · 83 checklists that week, 5,434 in all4.1%
  6. Pickens CountyBest mid September · 46 checklists that week, 2,121 in all3.9%

Best spots

Share of checklists at the peak
  1. Allatoona Recreation Area (Vineyard Mountain)Bartow County, best late September · 52 checklists that week, 726 in all40%
  2. Reregulation PoolMurray County, best early October · 23 checklists that week, 487 in all35%
  3. Chattahoochee River National Recreation AreaCobb County, best early October · 103 checklists that week, 2,731 in all25%
  4. Big Creek GreenwayFulton County, best late September · 32 checklists that week, 822 in all17%
  5. Chattahoochee River National Recreation Area (Chattahoochee Plantation)Cobb County, best early October · 30 checklists that week, 571 in all14%
  6. Kennesaw Mountain National Battlefield ParkCobb County, best late September · 36 checklists that week, 1,474 in all11%

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

Best time of day

In Georgia, the Philadelphia Vireo is most often listed on checklists started between 7 and 9 am (0.2% of those checklists).

0%0.5%12 am: too few checklists (334) to judge1 am: too few checklists (277) to judge2 am: too few checklists (264) to judge3 am: too few checklists (282) to judge4 am: too few checklists (463) to judge5 am: too few checklists (1513) to judge6 am: 0.1% of 16790 checklists7 am: 0.2% of 73569 checklists8 am: 0.2% of 104956 checklists9 am: 0.1% of 96241 checklists10 am: 0.1% of 81903 checklists11 am: 0.1% of 66236 checklists12 pm: 0.1% of 56159 checklists1 pm: 0.1% of 48260 checklists2 pm: 0.1% of 46435 checklists3 pm: 0.1% of 46015 checklists4 pm: 0.1% of 47438 checklists5 pm: 0.1% of 38866 checklists6 pm: 0.1% of 26032 checklists7 pm: 0.1% of 16610 checklists8 pm: too few checklists (5490) to judge9 pm: too few checklists (995) to judge10 pm: too few checklists (517) to judge11 pm: too few checklists (310) 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%0%
May0.1%0%0%0%
June0%0%0%0%
July0%0%0%0%
August0%0%0%0%
September0.1%0.2%0.9%1.5%
October1.9%0.9%0.2%0.1%
November0.1%0%0%0%
December0%0%0%0%

Neighboring states

  • Alabama: arrives the second week of September, 1 week earlier than Georgia
  • Tennessee: arrives the second week of September, 1 week earlier than Georgia
  • North Carolina: arrives mid September, in the same week than Georgia
  • Mississippi: arrives the second week of September, 1 week earlier than Georgia

Common questions

When do Philadelphia Vireos arrive in Georgia?
Philadelphia Vireos mostly pass through Georgia: they arrive in mid September, peak in late September (1.5% of checklists), and most are gone by the second week of October.
When do Philadelphia Vireos leave Georgia?
Most Philadelphia Vireos have left Georgia by the second week of October, when reports fall below half their usual rate.
When is the best time to see a Philadelphia Vireo in Georgia?
The Philadelphia Vireo is reported most often in late September, on about 1.5% of Georgia checklists.
Where in Georgia are Philadelphia Vireos seen most often?
By county, Murray County, Bartow County, and Dawson County have the highest peak reporting rates for the Philadelphia Vireo (counties with at least 200 checklists).