Bald Eagles are in Ohio all year, but most are here in spring: numbers build from late April, peak in the second week of May (21% of checklists), and fall back by mid May. In the quietest week (mid June) they are still on about 6.2% of checklists.
When to look
Numbers buildApr 22-30late April
PeakMay 8-14the second week of May
Fall back byMay 15-21mid May
FewestJun 15-21mid June
Best: the second week of May. Here all year; numbers build from late April and fall back by mid May. Peak: on about 21% of Ohio checklists.
Jancommon
Febcommon
Marcommon
Aprpeak season
Maypeak season
Juncommon
Julcommon
Augcommon
Sepcommon
Octcommon
Novcommon
Deccommon
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.
Calvins Marsh ReservoirMahoning County, best mid March · 51 checklists that week, 2,898 in all94%
East Sandusky BayErie County, best the second week of March · 25 checklists that week, 1,057 in all94%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Ohio, the Bald Eagle is most often listed on checklists started between 1 and 3 pm (14% 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%
13%
13%
13%
February
13%
12%
11%
15%
March
15%
15%
15%
14%
April
13%
13%
13%
13%
May
19%
23%
18%
11%
June
6.8%
6.5%
6.0%
6.1%
July
7.0%
8.2%
8.8%
10%
August
11%
13%
13%
13%
September
14%
12%
11%
13%
October
11%
12%
12%
12%
November
13%
12%
12%
13%
December
12%
12%
12%
12%
Neighboring states
West Virginia: arrives the second week of September, 18 weeks later than Ohio
Indiana: arrives late September, 20 weeks later than Ohio
Kentucky: arrives mid October, 23 weeks later than Ohio
Common questions
When do Bald Eagles arrive in Ohio?
Bald Eagles are in Ohio all year, but most are here in spring: numbers build from late April, peak in the second week of May (21% of checklists), and fall back by mid May. In the quietest week (mid June) they are still on about 6.2% of checklists.
When do Bald Eagles leave Ohio?
Bald Eagles never fully leave Ohio: numbers fall back below half their usual rate by mid May, but some are still reported in every week, about 6.2% of checklists at the low.
When is the best time to see a Bald Eagle in Ohio?
The Bald Eagle is reported most often in the second week of May, on about 21% of Ohio checklists.
Where in Ohio are Bald Eagles seen most often?
By county, Mercer County, Wyandot County, and Ashtabula County have the highest peak reporting rates for the Bald Eagle (counties with at least 200 checklists).