American Herring Gulls are in Ohio all year, but most are here in winter: numbers build from mid October, peak in late November (13% of checklists), and fall back by early February. In the quietest week (the second week of June) they are still on about 3.6% of checklists.
When to look
Numbers buildOct 15-21mid October
PeakNov 22-30late November
Fall back byFeb 1-7early February
FewestJun 8-14the second week of June
Best: late November. Here all year; numbers build from mid October and fall back by early February. Peak: on about 13% of Ohio checklists.
Janpeak season
Febcommon
Marcommon
Aprcommon
Maycommon
Jununcommon
Julcommon
Augcommon
Sepcommon
Octpeak season
Novpeak season
Decpeak season
Darker months: more checklists report it. Outlined: peak month.
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 Ohio 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
0%few checklistsno data
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.
Shelby CountyBest early March · 46 checklists that week, 1,659 in all55%
Ashtabula CountyBest mid August · 230 checklists that week, 12,390 in all53%
Crawford CountyBest the second week of December · 28 checklists that week, 1,763 in all42%
Erie CountyBest late March · 692 checklists that week, 30,456 in all38%
Lorain CountyBest the second week of November · 867 checklists that week, 59,913 in all36%
Mercer CountyBest the second week of March · 46 checklists that week, 2,091 in all35%
Best spots
Share of checklists at the peak
Main Street BeachErie County, best late November · 25 checklists that week, 713 in all98%
Lakeview ParkLorain County, best mid September · 39 checklists that week, 1,130 in all97%
Rocky River ParkCuyahoga County, best the second week of September · 35 checklists that week, 3,661 in all95%
Indian Lake State ParkLogan County, best early November · 32 checklists that week, 939 in all94%
Beech ParkLorain County, best late January · 24 checklists that week, 266 in all93%
Conneaut HarborAshtabula County, best the second week of October · 25 checklists that week, 1,284 in all93%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Ohio, the American Herring Gull is most often listed on checklists started between 6 and 8 am (9.9% of those checklists).
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
Month
Days 1-7
8-14
15-21
22-end
January
13%
11%
10%
10%
February
9.2%
7.4%
6.8%
8.8%
March
9.5%
8.9%
8.9%
8.6%
April
8.0%
7.0%
6.4%
6.1%
May
7.6%
9.1%
7.4%
5.3%
June
3.9%
3.7%
3.0%
4.2%
July
5.4%
5.7%
6.5%
6.5%
August
7.3%
7.7%
8.9%
9.0%
September
9.4%
8.4%
7.7%
8.1%
October
7.2%
7.1%
8.3%
10%
November
12%
13%
13%
13%
December
13%
12%
11%
11%
Neighboring states
West Virginia: arrives early November, 2 weeks later than Ohio
Indiana: arrives early July, 14 weeks earlier than Ohio
Michigan: arrives mid October, in the same week than Ohio
Kentucky: arrives mid October, in the same week than Ohio
Common questions
When do American Herring Gulls arrive in Ohio?
American Herring Gulls are in Ohio all year, but most are here in winter: numbers build from mid October, peak in late November (13% of checklists), and fall back by early February. In the quietest week (the second week of June) they are still on about 3.6% of checklists.
When do American Herring Gulls leave Ohio?
American Herring Gulls never fully leave Ohio: numbers fall back below half their usual rate by early February, but some are still reported in every week, about 3.6% of checklists at the low.
When is the best time to see a American Herring Gull in Ohio?
The American Herring Gull is reported most often in late November, on about 13% of Ohio checklists.
Where in Ohio are American Herring Gulls seen most often?
By county, Shelby County, Ashtabula County, and Crawford County have the highest peak reporting rates for the American Herring Gull (counties with at least 200 checklists).