WhenToBird

Nannopterum auritum · Phalacrocoracidae

When Do Double-crested Cormorants Arrive in Georgia?

Adult Double-crested Cormorant
Photo: jubileej, CC0 1.0 via iNaturalist

Double-crested Cormorants are in Georgia all year, but most are here in winter: numbers build from late October, peak in mid November (14% of checklists), and fall back by the second week of April. In the quietest week (the second week of July) they are still on about 2.2% of checklists.

When to look

Numbers buildOct 22-31late October
PeakNov 15-21mid November
Fall back byApr 8-14the second week of April
FewestJul 8-14the second week of July

Best: mid November. Here all year; numbers build from late October and fall back by the second week of April. Peak: on about 14% of Georgia checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Mayuncommon
  6. Jununcommon
  7. Juluncommon
  8. Auguncommon
  9. Sepuncommon
  10. Octcommon
  11. Novpeak season
  12. Decpeak season

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

0%5%10%15%Jan 1-7: 12% of 22238 checklistsJan 8-14: 13% of 16390 checklistsJan 15-21: 12% of 16779 checklistsJan 22-31: 12% of 22964 checklistsFeb 1-7: 11% of 16870 checklistsFeb 8-14: 10% of 19486 checklistsFeb 15-21: 9.2% of 28540 checklistsFeb 22-28: 13% of 17005 checklistsMar 1-7: 14% of 15920 checklistsMar 8-14: 14% of 16274 checklistsMar 15-21: 13% of 16432 checklistsMar 22-31: 12% of 25318 checklistsApr 1-7: 10% of 19292 checklistsApr 8-14: 8.8% of 19742 checklistsApr 15-21: 6.9% of 21498 checklistsApr 22-30: 6.0% of 29736 checklistsMay 1-7: 4.3% of 20858 checklistsMay 8-14: 3.4% of 20346 checklistsMay 15-21: 2.7% of 15859 checklistsMay 22-31: 2.2% of 19867 checklistsJun 1-7: 2.4% of 13467 checklistsJun 8-14: 2.2% of 12812 checklistsJun 15-21: 2.3% of 11379 checklistsJun 22-30: 2.3% of 14121 checklistsJul 1-7: 2.2% of 11176 checklistsJul 8-14: 2.2% of 10695 checklistsJul 15-21: 2.1% of 10655 checklistsJul 22-31: 2.6% of 15106 checklistsAug 1-7: 2.6% of 10650 checklistsAug 8-14: 2.8% of 10247 checklistsAug 15-21: 2.8% of 10371 checklistsAug 22-31: 2.9% of 15203 checklistsSep 1-7: 3.1% of 13007 checklistsSep 8-14: 3.0% of 12541 checklistsSep 15-21: 3.4% of 12943 checklistsSep 22-30: 3.6% of 17655 checklistsOct 1-7: 4.0% of 14646 checklistsOct 8-14: 6.3% of 15836 checklistsOct 15-21: 7.5% of 13124 checklistsOct 22-31: 9.0% of 15859 checklistsNov 1-7: 11% of 11711 checklistsNov 8-14: 13% of 11587 checklistsNov 15-21: 14% of 12025 checklistsNov 22-30: 14% of 16431 checklistsDec 1-7: 13% of 11256 checklistsDec 8-14: 12% of 11967 checklistsDec 15-21: 13% of 15618 checklistsDec 22-31: 12% 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. Clay CountyBest early November · 18 checklists that week, 775 in all83%
  2. McDuffie CountyBest the second week of December · 17 checklists that week, 958 in all74%
  3. Evans CountyBest late December · 15 checklists that week, 341 in all68%
  4. Troup CountyBest late November · 143 checklists that week, 3,539 in all60%
  5. McIntosh CountyBest mid November · 135 checklists that week, 10,475 in all57%
  6. Muscogee CountyBest early December · 174 checklists that week, 12,544 in all55%

Best spots

Share of checklists at the peak
  1. Hardley Creek Recreation AreaTroup County, best late March · 20 checklists that week, 947 in all100%
  2. Rivoli LakesBibb County, best mid December · 25 checklists that week, 152 in all98%
  3. Huie Land Application FacilityClayton County, best mid November · 33 checklists that week, 1,586 in all97%
  4. Shamrock Lake (Foster Lake)Clayton County, best early December · 20 checklists that week, 770 in all96%
  5. Lake Mayer Community ParkChatham County, best the second week of December · 21 checklists that week, 828 in all95%

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

Best time of day

In Georgia, the Double-crested Cormorant is most often listed on checklists started between 1 and 3 pm (10% of those checklists).

0%5%10%15%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: 4.8% of 16790 checklists7 am: 7.3% of 73569 checklists8 am: 7.1% of 104956 checklists9 am: 8.1% of 96241 checklists10 am: 8.6% of 81903 checklists11 am: 8.7% of 66236 checklists12 pm: 8.7% of 56159 checklists1 pm: 9.8% of 48260 checklists2 pm: 10% of 46435 checklists3 pm: 9.7% of 46015 checklists4 pm: 8.8% of 47438 checklists5 pm: 6.4% of 38866 checklists6 pm: 4.5% of 26032 checklists7 pm: 2.8% 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
January12%13%12%12%
February11%10%9.2%13%
March14%14%13%12%
April10%8.8%6.9%6.0%
May4.3%3.4%2.7%2.2%
June2.4%2.2%2.3%2.3%
July2.2%2.2%2.1%2.6%
August2.6%2.8%2.8%2.9%
September3.1%3.0%3.4%3.6%
October4.0%6.3%7.5%9.0%
November11%13%14%14%
December13%12%13%12%

Neighboring states

  • South Carolina: arrives mid October, 1 week earlier than Georgia
  • Alabama: arrives mid October, 1 week earlier than Georgia
  • Tennessee: arrives mid June, 17 weeks earlier than Georgia
  • North Carolina: arrives the second week of October, 2 weeks earlier than Georgia

Common questions

When do Double-crested Cormorants arrive in Georgia?
Double-crested Cormorants are in Georgia all year, but most are here in winter: numbers build from late October, peak in mid November (14% of checklists), and fall back by the second week of April. In the quietest week (the second week of July) they are still on about 2.2% of checklists.
When do Double-crested Cormorants leave Georgia?
Double-crested Cormorants never fully leave Georgia: numbers fall back below half their usual rate by the second week of April, but some are still reported in every week, about 2.2% of checklists at the low.
When is the best time to see a Double-crested Cormorant in Georgia?
The Double-crested Cormorant is reported most often in mid November, on about 14% of Georgia checklists.
Where in Georgia are Double-crested Cormorants seen most often?
By county, Clay County, McDuffie County, and Evans County have the highest peak reporting rates for the Double-crested Cormorant (counties with at least 200 checklists).