Ovenbirds reach Wisconsin in late April, are common by early May, peak in late June (18% of checklists), and most are gone by mid July.
When to look
First arrivalsApr 22-30late April
Common byMay 1-7early May
PeakJun 22-30late June
Most gone byJul 15-21mid July
Best: late June. First arrivals late April; most are gone by mid July. Peak: on about 18% of Wisconsin checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maypeak season
Junpeak season
Julpeak season
Auguncommon
Sepuncommon
Octrare
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 Wisconsin 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.
Mink River EstuaryDoor County, best late May · 20 checklists that week, 154 in all85%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Wisconsin, the Ovenbird is most often listed on checklists started between 5 and 7 am (15% 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%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0%
0%
0.1%
0.8%
May
7.2%
15%
18%
17%
June
17%
17%
19%
19%
July
17%
12%
6.9%
2.9%
August
1.3%
1.2%
1.5%
3.0%
September
5.4%
5.1%
3.8%
2.2%
October
0.8%
0.2%
0.1%
0.1%
November
0.1%
0%
0%
0.1%
December
0%
0%
0%
0.1%
Neighboring states
Illinois: arrives mid April, 1 week earlier than Wisconsin
Iowa: arrives late April, in the same week than Wisconsin
Michigan: arrives late April, in the same week than Wisconsin
Minnesota: arrives late April, in the same week than Wisconsin
Common questions
When do Ovenbirds arrive in Wisconsin?
Ovenbirds reach Wisconsin in late April, are common by early May, peak in late June (18% of checklists), and most are gone by mid July.
When do Ovenbirds leave Wisconsin?
Most Ovenbirds have left Wisconsin by mid July, when reports fall below half their usual rate. Stragglers are still reported until late September.
When is the best time to see a Ovenbird in Wisconsin?
The Ovenbird is reported most often in late June, on about 18% of Wisconsin checklists.
Where in Wisconsin are Ovenbirds seen most often?
By county, Florence County, Menominee County, and Forest County have the highest peak reporting rates for the Ovenbird (counties with at least 200 checklists).