Red-headed Woodpeckers are in Iowa all year, but most are here in summer: numbers build from early May, peak in early September (28% of checklists), and fall back by mid September. In the quietest week (mid March) they are still on about 4.3% of checklists.
When to look
Numbers buildMay 1-7early May
PeakSep 1-7early September
Fall back bySep 15-21mid September
FewestMar 15-21mid March
Best: early September. Here all year; numbers build from early May and fall back by mid September. Peak: on about 28% of Iowa checklists.
Januncommon
Febuncommon
Maruncommon
Aprcommon
Maypeak season
Junpeak season
Julpeak season
Augpeak season
Seppeak season
Octuncommon
Novuncommon
Decuncommon
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 Iowa 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 Iowa, the Red-headed Woodpecker is most often listed on checklists started between 6 and 8 am (22% 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
4.8%
5.6%
4.3%
5.9%
February
6.1%
5.0%
4.9%
5.3%
March
4.8%
4.1%
4.3%
4.4%
April
5.5%
6.7%
7.2%
12%
May
23%
27%
24%
23%
June
20%
20%
22%
24%
July
23%
22%
20%
21%
August
22%
24%
25%
28%
September
30%
27%
21%
14%
October
8.8%
7.8%
6.8%
6.5%
November
5.4%
5.6%
5.1%
7.2%
December
5.3%
5.6%
6.9%
6.5%
Neighboring states
Missouri: arrives late August, 15 weeks later than Iowa
Wisconsin: arrives mid April, 2 weeks earlier than Iowa
Minnesota: arrives early May, in the same week than Iowa
Illinois: arrives late April, 1 week earlier than Iowa
Common questions
When do Red-headed Woodpeckers arrive in Iowa?
Red-headed Woodpeckers are in Iowa all year, but most are here in summer: numbers build from early May, peak in early September (28% of checklists), and fall back by mid September. In the quietest week (mid March) they are still on about 4.3% of checklists.
When do Red-headed Woodpeckers leave Iowa?
Red-headed Woodpeckers never fully leave Iowa: numbers fall back below half their usual rate by mid September, but some are still reported in every week, about 4.3% of checklists at the low.
When is the best time to see a Red-headed Woodpecker in Iowa?
The Red-headed Woodpecker is reported most often in early September, on about 28% of Iowa checklists.
Where in Iowa are Red-headed Woodpeckers seen most often?
By county, Greene County, Louisa County, and Harrison County have the highest peak reporting rates for the Red-headed Woodpecker (counties with at least 200 checklists).