WhenToBird

Larus delawarensis · Laridae

When Do Ring-billed Gulls Arrive in Kentucky?

Adult Ring-billed Gull
Photo: Isaac Krone, CC BY 4.0 via iNaturalist

Ring-billed Gulls are winter birds in Kentucky: the first arrive in mid July, they are common by late October, peak in early December (13% of checklists), and most are gone by mid March.

When to look

First arrivalsJul 15-21mid July
Common byOct 22-31late October
PeakDec 1-7early December
Most gone byMar 15-21mid March

Best: early December. First arrivals mid July; most are gone by mid March. Peak: on about 13% of Kentucky checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marcommon
  4. Apruncommon
  5. Mayrare
  6. Junnot usually seen
  7. Julrare
  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: 9.3% of 6923 checklistsJan 8-14: 9.4% of 4900 checklistsJan 15-21: 11% of 5016 checklistsJan 22-31: 13% of 6611 checklistsFeb 1-7: 11% of 4986 checklistsFeb 8-14: 7.8% of 5677 checklistsFeb 15-21: 7.2% of 8880 checklistsFeb 22-28: 9.4% of 5567 checklistsMar 1-7: 6.4% of 5397 checklistsMar 8-14: 5.8% of 5462 checklistsMar 15-21: 4.9% of 5733 checklistsMar 22-31: 4.1% of 9043 checklistsApr 1-7: 2.2% of 6763 checklistsApr 8-14: 1.6% of 7498 checklistsApr 15-21: 1.1% of 8486 checklistsApr 22-30: 1.9% of 13396 checklistsMay 1-7: 0.7% of 10825 checklistsMay 8-14: 0.3% of 11495 checklistsMay 15-21: 0.2% of 7363 checklistsMay 22-31: 0.1% of 8800 checklistsJun 1-7: 0.1% of 5381 checklistsJun 8-14: 0.1% of 5244 checklistsJun 15-21: 0.1% of 4730 checklistsJun 22-30: 0.2% of 5470 checklistsJul 1-7: 0.3% of 4567 checklistsJul 8-14: 1.1% of 4287 checklistsJul 15-21: 1.1% of 4097 checklistsJul 22-31: 1.2% of 6044 checklistsAug 1-7: 1.8% of 4647 checklistsAug 8-14: 1.2% of 4256 checklistsAug 15-21: 1.8% of 4484 checklistsAug 22-31: 2.5% of 6434 checklistsSep 1-7: 2.8% of 5450 checklistsSep 8-14: 3.1% of 5157 checklistsSep 15-21: 4.7% of 5530 checklistsSep 22-30: 3.3% of 6710 checklistsOct 1-7: 2.0% of 5403 checklistsOct 8-14: 2.3% of 5943 checklistsOct 15-21: 3.8% of 4873 checklistsOct 22-31: 5.4% of 6584 checklistsNov 1-7: 7.4% of 5008 checklistsNov 8-14: 9.6% of 4677 checklistsNov 15-21: 10% of 4419 checklistsNov 22-30: 13% of 5933 checklistsDec 1-7: 15% of 4479 checklistsDec 8-14: 12% of 4687 checklistsDec 15-21: 8.0% of 6239 checklistsDec 22-31: 8.2% of 7976 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 Kentucky 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 Kentucky

Best counties

Share of checklists at the peak
  1. Livingston CountyBest late January · 35 checklists that week, 1,092 in all85%
  2. Taylor CountyBest mid January · 11 checklists that week, 740 in all83%
  3. Lyon CountyBest late January · 38 checklists that week, 2,125 in all78%
  4. Marshall CountyBest the second week of December · 135 checklists that week, 7,392 in all72%
  5. Gallatin CountyBest mid January · 24 checklists that week, 470 in all70%
  6. Adair CountyBest the second week of November · 36 checklists that week, 903 in all65%

Best spots

Share of checklists at the peak
  1. Kentucky LakeMarshall County, best late November · 22 checklists that week, 517 in all100%
  2. Barkley Recreation AreaLyon County, best early February · 28 checklists that week, 390 in all98%
  3. McClain BranchMarshall County, best mid October · 20 checklists that week, 314 in all98%
  4. Kentucky ReservoirMarshall County, best late January · 20 checklists that week, 444 in all95%

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

Best time of day

In Kentucky, the Ring-billed Gull is most often listed on checklists started between 1 and 3 pm (7.0% of those checklists).

0%2%4%6%8%12 am: too few checklists (140) to judge1 am: too few checklists (120) to judge2 am: too few checklists (88) to judge3 am: too few checklists (95) to judge4 am: too few checklists (151) to judge5 am: too few checklists (1289) to judge6 am: 3.4% of 8227 checklists7 am: 2.9% of 24608 checklists8 am: 3.1% of 36577 checklists9 am: 3.8% of 34626 checklists10 am: 5.4% of 28796 checklists11 am: 6.6% of 22781 checklists12 pm: 6.7% of 19848 checklists1 pm: 7.0% of 19369 checklists2 pm: 7.0% of 19367 checklists3 pm: 6.2% of 19618 checklists4 pm: 4.4% of 19464 checklists5 pm: 2.4% of 16639 checklists6 pm: 1.5% of 12714 checklists7 pm: 0.8% of 8457 checklists8 pm: too few checklists (3447) to judge9 pm: too few checklists (684) to judge10 pm: too few checklists (267) to judge11 pm: too few checklists (158) 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
January9.3%9.4%11%13%
February11%7.8%7.2%9.4%
March6.4%5.8%4.9%4.1%
April2.2%1.6%1.1%1.9%
May0.7%0.3%0.2%0.1%
June0.1%0.1%0.1%0.2%
July0.3%1.1%1.1%1.2%
August1.8%1.2%1.8%2.5%
September2.8%3.1%4.7%3.3%
October2.0%2.3%3.8%5.4%
November7.4%9.6%10%13%
December15%12%8.0%8.2%

Neighboring states

  • Tennessee: arrives late August, 5 weeks later than Kentucky
  • Indiana: arrives early October, 10 weeks later than Kentucky
  • Ohio: arrives mid October, 12 weeks later than Kentucky
  • Illinois: year-round, peaks the second week of March

Common questions

When do Ring-billed Gulls arrive in Kentucky?
Ring-billed Gulls are winter birds in Kentucky: the first arrive in mid July, they are common by late October, peak in early December (13% of checklists), and most are gone by mid March.
When do Ring-billed Gulls leave Kentucky?
Most Ring-billed Gulls have left Kentucky by mid March, when reports fall below half their usual rate. Stragglers are still reported until early May.
When is the best time to see a Ring-billed Gull in Kentucky?
The Ring-billed Gull is reported most often in early December, on about 13% of Kentucky checklists.
Where in Kentucky are Ring-billed Gulls seen most often?
By county, Livingston County, Taylor County, and Lyon County have the highest peak reporting rates for the Ring-billed Gull (counties with at least 200 checklists).