American Black Ducks are winter birds in Ohio: the first arrive in early October, they are common by late October, peak in mid January (7.1% of checklists), and most are gone by late March.
When to look
First arrivalsOct 1-7early October
Common byOct 22-31late October
PeakJan 15-21mid January
Most gone byMar 22-31late March
Best: mid January. First arrivals early October; most are gone by late March. Peak: on about 7.1% of Ohio checklists.
Janpeak season
Febpeak season
Marpeak season
Apruncommon
Maynot usually seen
Junnot usually seen
Julnot usually seen
Augrare
Seprare
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.
Killbuck SwampWayne County, best the second week of February · 35 checklists that week, 862 in all81%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Ohio, the American Black Duck is most often listed on checklists started between 2 and 4 pm (3.0% 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
5.8%
7.1%
6.7%
7.3%
February
6.7%
5.8%
4.8%
6.3%
March
5.9%
4.6%
3.7%
3.3%
April
2.1%
1.1%
0.4%
0.2%
May
0.2%
0.2%
0.1%
0.1%
June
0.1%
0.1%
0.1%
0.1%
July
0.1%
0.1%
0.1%
0.2%
August
0.2%
0.3%
0.4%
0.4%
September
0.5%
0.4%
0.5%
0.7%
October
1.1%
1.6%
2.3%
2.9%
November
3.5%
3.9%
3.9%
4.2%
December
4.8%
4.7%
4.7%
4.7%
Neighboring states
West Virginia: arrives mid October, 2 weeks later than Ohio
Indiana: arrives mid October, 2 weeks later than Ohio
Michigan: arrives the second week of August, 7 weeks earlier than Ohio
Kentucky: arrives mid November, 6 weeks later than Ohio
Common questions
When do American Black Ducks arrive in Ohio?
American Black Ducks are winter birds in Ohio: the first arrive in early October, they are common by late October, peak in mid January (7.1% of checklists), and most are gone by late March.
When do American Black Ducks leave Ohio?
Most American Black Ducks have left Ohio by late March, when reports fall below half their usual rate. Stragglers are still reported until the second week of April.
When is the best time to see a American Black Duck in Ohio?
The American Black Duck is reported most often in mid January, on about 7.1% of Ohio checklists.
Where in Ohio are American Black Ducks seen most often?
By county, Adams County, Pike County, and Noble County have the highest peak reporting rates for the American Black Duck (counties with at least 200 checklists).