Great Crested Flycatchers reach Ohio in mid April, are common by late April, peak in late May (23% of checklists), and most are gone by late July.
When to look
First arrivalsApr 15-21mid April
Common byApr 22-30late April
PeakMay 22-31late May
Most gone byJul 22-31late July
Best: late May. First arrivals mid April; most are gone by late July. Peak: on about 23% of Ohio checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maypeak season
Junpeak season
Julcommon
Auguncommon
Sepuncommon
Octnot usually seen
Novnot usually seen
Decnot usually seen
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.
Mill CreekLake County, best late May · 23 checklists that week, 291 in all80%
Burton WetlandsGeauga County, best late May · 88 checklists that week, 1,106 in all77%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Ohio, the Great Crested Flycatcher is most often listed on checklists started between 6 and 8 am (12% 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
0.1%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0.1%
0.1%
0.3%
4.2%
May
13%
17%
23%
24%
June
19%
16%
14%
12%
July
10%
9.5%
8.2%
7.0%
August
5.2%
4.2%
4.2%
4.8%
September
4.5%
3.4%
1.5%
0.5%
October
0.2%
0.1%
0.1%
0.1%
November
0%
0%
0.1%
0%
December
0%
0%
0%
0.1%
Neighboring states
West Virginia: arrives mid April, in the same week than Ohio
Indiana: arrives mid April, in the same week than Ohio
Michigan: arrives late April, 1 week later than Ohio
Kentucky: arrives mid April, in the same week than Ohio
Common questions
When do Great Crested Flycatchers arrive in Ohio?
Great Crested Flycatchers reach Ohio in mid April, are common by late April, peak in late May (23% of checklists), and most are gone by late July.
When do Great Crested Flycatchers leave Ohio?
Most Great Crested Flycatchers have left Ohio by late July, when reports fall below half their usual rate. Stragglers are still reported until mid September.
When is the best time to see a Great Crested Flycatcher in Ohio?
The Great Crested Flycatcher is reported most often in late May, on about 23% of Ohio checklists.
Where in Ohio are Great Crested Flycatchers seen most often?
By county, Champaign County, Paulding County, and Preble County have the highest peak reporting rates for the Great Crested Flycatcher (counties with at least 200 checklists).