WhenToBird

Melanerpes carolinus · Picidae

When Do Red-bellied Woodpeckers Arrive in Iowa?

Adult male Red-bellied Woodpecker
Photo: froggymum, CC BY 4.0 via iNaturalist

The Red-bellied Woodpecker is in Iowa all year. It turns up on about 46% of checklists at its peak (mid September) and on 22% in its quietest week (early August).

When to look

PresentAll year
Peak weekSep 15-21mid September
Quietest weekAug 1-7early August

Best: mid September. Here all year. Peak: on about 46% of Iowa checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julcommon
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

Darker months: more checklists report it. Outlined: peak month.

0%20%40%60%Jan 1-7: 40% of 5551 checklistsJan 8-14: 40% of 3498 checklistsJan 15-21: 37% of 3803 checklistsJan 22-31: 41% of 4807 checklistsFeb 1-7: 39% of 3613 checklistsFeb 8-14: 41% of 4173 checklistsFeb 15-21: 37% of 5796 checklistsFeb 22-28: 35% of 4394 checklistsMar 1-7: 29% of 5295 checklistsMar 8-14: 31% of 5679 checklistsMar 15-21: 31% of 5418 checklistsMar 22-31: 32% of 8613 checklistsApr 1-7: 35% of 6970 checklistsApr 8-14: 38% of 7511 checklistsApr 15-21: 36% of 8321 checklistsApr 22-30: 41% of 11976 checklistsMay 1-7: 47% of 11725 checklistsMay 8-14: 45% of 12626 checklistsMay 15-21: 43% of 9372 checklistsMay 22-31: 40% of 10330 checklistsJun 1-7: 34% of 5472 checklistsJun 8-14: 33% of 4568 checklistsJun 15-21: 31% of 3870 checklistsJun 22-30: 29% of 4780 checklistsJul 1-7: 27% of 4201 checklistsJul 8-14: 27% of 3605 checklistsJul 15-21: 25% of 3621 checklistsJul 22-31: 23% of 5093 checklistsAug 1-7: 22% of 3931 checklistsAug 8-14: 22% of 3488 checklistsAug 15-21: 29% of 3802 checklistsAug 22-31: 35% of 6293 checklistsSep 1-7: 40% of 5328 checklistsSep 8-14: 46% of 4622 checklistsSep 15-21: 46% of 4367 checklistsSep 22-30: 47% of 6086 checklistsOct 1-7: 44% of 4708 checklistsOct 8-14: 43% of 4791 checklistsOct 15-21: 41% of 4429 checklistsOct 22-31: 42% of 5633 checklistsNov 1-7: 42% of 4090 checklistsNov 8-14: 41% of 3416 checklistsNov 15-21: 39% of 3398 checklistsNov 22-30: 41% of 4679 checklistsDec 1-7: 38% of 3442 checklistsDec 8-14: 39% of 3322 checklistsDec 15-21: 44% of 4619 checklistsDec 22-31: 42% of 5113 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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
Second week of November

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.

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Where in Iowa

Best counties

Share of checklists at the peak
  1. Warren CountyBest late January · 23 checklists that week, 1,278 in all83%
  2. Des Moines CountyBest late September · 43 checklists that week, 2,251 in all81%
  3. Lucas CountyBest late January · 51 checklists that week, 2,217 in all77%
  4. Clarke CountyBest late October · 14 checklists that week, 459 in all77%
  5. Jefferson CountyBest mid January · 82 checklists that week, 4,772 in all75%
  6. Franklin CountyBest mid November · 10 checklists that week, 331 in all75%

Best spots

Share of checklists at the peak
  1. Walnut Woods State ParkPolk County, best late April · 39 checklists that week, 643 in all97%
  2. Brown's WoodsPolk County, best early May · 26 checklists that week, 235 in all96%
  3. Carr ParkStory County, best early April · 21 checklists that week, 1,200 in all96%
  4. Hartman Reserve Nature CenterBlack Hawk County, best late September · 22 checklists that week, 711 in all96%
  5. Reactor WoodsStory County, best the second week of May · 46 checklists that week, 397 in all95%
  6. MacBride Recreation AreaJohnson County, best mid February · 20 checklists that week, 445 in all93%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Iowa, the Red-bellied Woodpecker is most often listed on checklists started between 6 and 8 am (50% of those checklists).

0%20%40%60%12 am: too few checklists (96) to judge1 am: too few checklists (99) to judge2 am: too few checklists (67) to judge3 am: too few checklists (82) to judge4 am: too few checklists (201) to judge5 am: too few checklists (1888) to judge6 am: 50% of 11313 checklists7 am: 50% of 25717 checklists8 am: 46% of 29755 checklists9 am: 42% of 28897 checklists10 am: 39% of 26343 checklists11 am: 35% of 21210 checklists12 pm: 34% of 17662 checklists1 pm: 34% of 16595 checklists2 pm: 34% of 16405 checklists3 pm: 34% of 17030 checklists4 pm: 31% of 17378 checklists5 pm: 31% of 14251 checklists6 pm: 27% of 10349 checklists7 pm: 19% of 6233 checklists8 pm: too few checklists (2002) to judge9 pm: too few checklists (392) to judge10 pm: too few checklists (186) to judge11 pm: too few checklists (87) to judge12a3a6a9a12p3p6p9p
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
MonthDays 1-78-1415-2122-end
January40%40%37%41%
February39%41%37%35%
March29%31%31%32%
April35%38%36%41%
May47%45%43%40%
June34%33%31%29%
July27%27%25%23%
August22%22%29%35%
September40%46%46%47%
October44%43%41%42%
November42%41%39%41%
December38%39%44%42%

Neighboring states

  • Missouri: year-round, peaks early October
  • Wisconsin: year-round, peaks the second week of May
  • Minnesota: year-round, peaks the second week of May
  • Illinois: year-round, peaks early October

Common questions

When do Red-bellied Woodpeckers arrive in Iowa?
The Red-bellied Woodpecker is in Iowa all year. It turns up on about 46% of checklists at its peak (mid September) and on 22% in its quietest week (early August).
When do Red-bellied Woodpeckers leave Iowa?
The Red-bellied Woodpecker does not leave Iowa: it is reported all year, from 22% of checklists in early August to 46% in mid September.
When is the best time to see a Red-bellied Woodpecker in Iowa?
The Red-bellied Woodpecker is reported most often in mid September, on about 46% of Iowa checklists.
Where in Iowa are Red-bellied Woodpeckers seen most often?
By county, Warren County, Des Moines County, and Lucas County have the highest peak reporting rates for the Red-bellied Woodpecker (counties with at least 200 checklists).