Orange-crowned Warblers are winter birds in Ohio: they arrive in the second week of September, peak in early October (1.5% of checklists), and most are gone by the second week of November.
When to look
First arrivalsSep 8-14the second week of September
Common bySep 8-14the second week of September
PeakOct 1-7early October
Most gone byNov 8-14the second week of November
Best: early October. First arrivals the second week of September; most are gone by the second week of November. Peak: on about 1.5% of Ohio checklists.
Janrare
Febrare
Marrare
Aprcommon
Maypeak season
Junnot usually seen
Julnot usually seen
Augnot usually seen
Seppeak season
Octpeak season
Novuncommon
Decrare
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.
Hinckley LakeMedina County, best late September · 20 checklists that week, 265 in all19%
Whiskey IslandCuyahoga County, best the second week of October · 103 checklists that week, 8,019 in all16%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Ohio, the Orange-crowned Warbler is most often listed on checklists started between 6 and 8 am (0.6% 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
0.2%
0.2%
0.2%
0.3%
February
0.1%
0.1%
0.1%
0.1%
March
0.1%
0.1%
0.1%
0.1%
April
0.1%
0.1%
0.3%
0.7%
May
1.5%
1.1%
0.5%
0.1%
June
0%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0.1%
0.1%
September
0.1%
0.2%
0.5%
1.3%
October
1.5%
1.6%
1.3%
0.8%
November
0.3%
0.1%
0.1%
0.1%
December
0.1%
0.1%
0.1%
0.3%
Neighboring states
Indiana: arrives the second week of September, in the same week than Ohio
Michigan: arrives the second week of September, in the same week than Ohio
Kentucky: arrives the second week of September, in the same week than Ohio
Illinois: arrives early September, 1 week earlier than Ohio
Common questions
When do Orange-crowned Warblers arrive in Ohio?
Orange-crowned Warblers are winter birds in Ohio: they arrive in the second week of September, peak in early October (1.5% of checklists), and most are gone by the second week of November.
When do Orange-crowned Warblers leave Ohio?
Most Orange-crowned Warblers have left Ohio by the second week of November, when reports fall below half their usual rate.
When is the best time to see a Orange-crowned Warbler in Ohio?
The Orange-crowned Warbler is reported most often in early October, on about 1.5% of Ohio checklists.
Where in Ohio are Orange-crowned Warblers seen most often?
By county, Shelby County, Cuyahoga County, and Ross County have the highest peak reporting rates for the Orange-crowned Warbler (counties with at least 200 checklists).