Red-winged Blackbirds reach Ohio in early February, are common by late February, peak in the second week of May (66% of checklists), and most are gone by early November.
When to look
First arrivalsFeb 1-7early February
Common byFeb 22-28late February
PeakMay 8-14the second week of May
Most gone byNov 1-7early November
Best: the second week of May. First arrivals early February; most are gone by early November. Peak: on about 66% of Ohio checklists.
Janrare
Febcommon
Marpeak season
Aprpeak season
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepuncommon
Octcommon
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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Ohio, the Red-winged Blackbird is most often listed on checklists started between 6 and 8 am (53% 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
2.7%
3.1%
3.2%
3.4%
February
5.0%
11%
19%
39%
March
50%
55%
55%
59%
April
62%
64%
64%
65%
May
65%
67%
66%
64%
June
63%
63%
62%
60%
July
58%
56%
51%
43%
August
33%
25%
20%
17%
September
16%
15%
17%
21%
October
30%
35%
34%
32%
November
25%
17%
9.3%
5.8%
December
4.0%
3.1%
3.5%
3.3%
Neighboring states
West Virginia: arrives early February, in the same week than Ohio
Indiana: arrives late February, 3 weeks later than Ohio
Michigan: arrives the second week of February, 1 week later than Ohio
Kentucky: arrives late February, 3 weeks later than Ohio
Common questions
When do Red-winged Blackbirds arrive in Ohio?
Red-winged Blackbirds reach Ohio in early February, are common by late February, peak in the second week of May (66% of checklists), and most are gone by early November.
When do Red-winged Blackbirds leave Ohio?
Most Red-winged Blackbirds have left Ohio by early November, when reports fall below half their usual rate. Stragglers are still reported until late November.
When is the best time to see a Red-winged Blackbird in Ohio?
The Red-winged Blackbird is reported most often in the second week of May, on about 66% of Ohio checklists.
Where in Ohio are Red-winged Blackbirds seen most often?
By county, Ottawa County, Union County, and Hardin County have the highest peak reporting rates for the Red-winged Blackbird (counties with at least 200 checklists).