WhenToBird

Polioptila caerulea · Polioptilidae

When Do Blue-gray Gnatcatchers Arrive in Georgia?

Adult Blue-gray Gnatcatcher
Photo: Laura Clark, CC BY 4.0 via iNaturalist

Blue-gray Gnatcatchers reach Georgia in late February, are common by mid March, peak in mid April (37% of checklists), and most are gone by mid September.

When to look

First arrivalsFeb 22-28late February
Common byMar 15-21mid March
PeakApr 15-21mid April
Most gone bySep 15-21mid September

Best: mid April. First arrivals late February; most are gone by mid September. Peak: on about 37% of Georgia checklists.

  1. Janrare
  2. Febrare
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octuncommon
  11. Novrare
  12. Decrare

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

0%10%20%30%40%Jan 1-7: 2.1% of 22238 checklistsJan 8-14: 1.8% of 16390 checklistsJan 15-21: 1.7% of 16779 checklistsJan 22-31: 1.5% of 22964 checklistsFeb 1-7: 1.2% of 16870 checklistsFeb 8-14: 1.1% of 19486 checklistsFeb 15-21: 1.2% of 28540 checklistsFeb 22-28: 3.6% of 17005 checklistsMar 1-7: 6.2% of 15920 checklistsMar 8-14: 9.3% of 16274 checklistsMar 15-21: 12% of 16432 checklistsMar 22-31: 25% of 25318 checklistsApr 1-7: 36% of 19292 checklistsApr 8-14: 37% of 19742 checklistsApr 15-21: 38% of 21498 checklistsApr 22-30: 36% of 29736 checklistsMay 1-7: 34% of 20858 checklistsMay 8-14: 30% of 20346 checklistsMay 15-21: 29% of 15859 checklistsMay 22-31: 27% of 19867 checklistsJun 1-7: 25% of 13467 checklistsJun 8-14: 23% of 12812 checklistsJun 15-21: 24% of 11379 checklistsJun 22-30: 22% of 14121 checklistsJul 1-7: 21% of 11176 checklistsJul 8-14: 20% of 10695 checklistsJul 15-21: 18% of 10655 checklistsJul 22-31: 19% of 15106 checklistsAug 1-7: 18% of 10650 checklistsAug 8-14: 19% of 10247 checklistsAug 15-21: 20% of 10371 checklistsAug 22-31: 21% of 15203 checklistsSep 1-7: 21% of 13007 checklistsSep 8-14: 18% of 12541 checklistsSep 15-21: 14% of 12943 checklistsSep 22-30: 8.2% of 17655 checklistsOct 1-7: 4.7% of 14646 checklistsOct 8-14: 3.9% of 15836 checklistsOct 15-21: 3.5% of 13124 checklistsOct 22-31: 2.7% of 15859 checklistsNov 1-7: 2.4% of 11711 checklistsNov 8-14: 1.9% of 11587 checklistsNov 15-21: 2.5% of 12025 checklistsNov 22-30: 2.3% of 16431 checklistsDec 1-7: 2.3% of 11256 checklistsDec 8-14: 2.2% of 11967 checklistsDec 15-21: 2.5% of 15618 checklistsDec 22-31: 2.3% 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. Jeff Davis CountyBest early April · 27 checklists that week, 627 in all85%
  2. Evans CountyBest late May · 14 checklists that week, 341 in all75%
  3. Upson CountyBest early April · 30 checklists that week, 1,067 in all75%
  4. Talbot CountyBest early April · 11 checklists that week, 424 in all74%
  5. Washington CountyBest mid April · 19 checklists that week, 523 in all74%
  6. Stewart CountyBest the second week of June · 16 checklists that week, 1,016 in all73%

Best spots

Share of checklists at the peak
  1. Lyon's ExpansionDeKalb County, best mid April · 21 checklists that week, 462 in all98%
  2. Cook's TrailClarke County, best late April · 25 checklists that week, 267 in all98%
  3. Allatoona Recreation Area (Vineyard Mountain)Bartow County, best the second week of April · 40 checklists that week, 726 in all97%
  4. Fulton County Greenspace IIIFulton County, best late April · 27 checklists that week, 142 in all96%
  5. Thornton ShoalsFulton County, best late April · 37 checklists that week, 528 in all94%
  6. Sandy Creek Nature CenterClarke County, best the second week of April · 52 checklists that week, 1,163 in all93%

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

Best time of day

In Georgia, the Blue-gray Gnatcatcher is most often listed on checklists started between 6 and 8 am (22% of those checklists).

0%10%20%30%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: 28% of 16790 checklists7 am: 21% of 73569 checklists8 am: 18% of 104956 checklists9 am: 15% of 96241 checklists10 am: 13% of 81903 checklists11 am: 12% of 66236 checklists12 pm: 11% of 56159 checklists1 pm: 11% of 48260 checklists2 pm: 11% of 46435 checklists3 pm: 11% of 46015 checklists4 pm: 11% of 47438 checklists5 pm: 14% of 38866 checklists6 pm: 18% of 26032 checklists7 pm: 16% 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
January2.1%1.8%1.7%1.5%
February1.2%1.1%1.2%3.6%
March6.2%9.3%12%25%
April36%37%38%36%
May34%30%29%27%
June25%23%24%22%
July21%20%18%19%
August18%19%20%21%
September21%18%14%8.2%
October4.7%3.9%3.5%2.7%
November2.4%1.9%2.5%2.3%
December2.3%2.2%2.5%2.3%

Neighboring states

  • South Carolina: arrives late February, in the same week than Georgia
  • Alabama: arrives early March, 1 week later than Georgia
  • Tennessee: arrives mid March, 3 weeks later than Georgia
  • North Carolina: arrives the second week of March, 2 weeks later than Georgia

Common questions

When do Blue-gray Gnatcatchers arrive in Georgia?
Blue-gray Gnatcatchers reach Georgia in late February, are common by mid March, peak in mid April (37% of checklists), and most are gone by mid September.
When do Blue-gray Gnatcatchers leave Georgia?
Most Blue-gray Gnatcatchers have left Georgia by mid September, when reports fall below half their usual rate. Stragglers are still reported until the second week of November.
When is the best time to see a Blue-gray Gnatcatcher in Georgia?
The Blue-gray Gnatcatcher is reported most often in mid April, on about 37% of Georgia checklists.
Where in Georgia are Blue-gray Gnatcatchers seen most often?
By county, Jeff Davis County, Evans County, and Upson County have the highest peak reporting rates for the Blue-gray Gnatcatcher (counties with at least 200 checklists).