WhenToBird

Turdus migratorius · Turdidae

When Do American Robins Arrive in Iowa?

Adult male American Robin
Photo: northerly, CC BY 4.0 via iNaturalist

The American Robin is in Iowa all year. It turns up on about 74% of checklists at its peak (late June) and on 7.2% in its quietest week (the second week of January).

When to look

PresentAll year
Peak weekJun 22-30late June
Quietest weekJan 8-14the second week of January

Best: late June. Here all year. Peak: on about 74% of Iowa checklists.

  1. Janrare
  2. Febuncommon
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Sepcommon
  10. Octcommon
  11. Novcommon
  12. Decuncommon

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

0%20%40%60%80%Jan 1-7: 7.0% of 5551 checklistsJan 8-14: 7.8% of 3498 checklistsJan 15-21: 6.8% of 3803 checklistsJan 22-31: 11% of 4807 checklistsFeb 1-7: 14% of 3613 checklistsFeb 8-14: 12% of 4173 checklistsFeb 15-21: 16% of 5796 checklistsFeb 22-28: 26% of 4394 checklistsMar 1-7: 39% of 5295 checklistsMar 8-14: 52% of 5679 checklistsMar 15-21: 61% of 5418 checklistsMar 22-31: 68% of 8613 checklistsApr 1-7: 71% of 6970 checklistsApr 8-14: 71% of 7511 checklistsApr 15-21: 71% of 8321 checklistsApr 22-30: 73% of 11976 checklistsMay 1-7: 75% of 11725 checklistsMay 8-14: 74% of 12626 checklistsMay 15-21: 73% of 9372 checklistsMay 22-31: 74% of 10330 checklistsJun 1-7: 72% of 5472 checklistsJun 8-14: 72% of 4568 checklistsJun 15-21: 76% of 3870 checklistsJun 22-30: 74% of 4780 checklistsJul 1-7: 73% of 4201 checklistsJul 8-14: 73% of 3605 checklistsJul 15-21: 69% of 3621 checklistsJul 22-31: 64% of 5093 checklistsAug 1-7: 58% of 3931 checklistsAug 8-14: 51% of 3488 checklistsAug 15-21: 46% of 3802 checklistsAug 22-31: 43% of 6293 checklistsSep 1-7: 42% of 5328 checklistsSep 8-14: 42% of 4622 checklistsSep 15-21: 39% of 4367 checklistsSep 22-30: 42% of 6086 checklistsOct 1-7: 47% of 4708 checklistsOct 8-14: 52% of 4791 checklistsOct 15-21: 50% of 4429 checklistsOct 22-31: 46% of 5633 checklistsNov 1-7: 35% of 4090 checklistsNov 8-14: 23% of 3416 checklistsNov 15-21: 17% of 3398 checklistsNov 22-30: 14% of 4679 checklistsDec 1-7: 10% of 3442 checklistsDec 8-14: 11% of 3322 checklistsDec 15-21: 13% of 4619 checklistsDec 22-31: 11% 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. Clarke CountyBest late March · 16 checklists that week, 459 in all95%
  2. Cedar CountyBest the second week of June · 17 checklists that week, 765 in all94%
  3. Shelby CountyBest mid June · 14 checklists that week, 354 in all93%
  4. Sioux CountyBest early July · 20 checklists that week, 1,159 in all93%
  5. Grundy CountyBest the second week of June · 13 checklists that week, 647 in all92%
  6. Wapello CountyBest late April · 21 checklists that week, 654 in all92%

Best spots

Share of checklists at the peak
  1. Laverne Lake (Clear Creek)Story County, best early April · 28 checklists that week, 390 in all100%
  2. Ada Hayden Heritage ParkStory County, best late June · 25 checklists that week, 1,681 in all100%
  3. McFarland Park - Skunk River GreenbeltStory County, best late June · 21 checklists that week, 723 in all100%
  4. Martin LakeBlack Hawk County, best the second week of May · 20 checklists that week, 523 in all100%
  5. Saylorville Recreation Area (southeast)Polk County, best late June · 22 checklists that week, 867 in all100%

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

Best time of day

In Iowa, the American Robin is most often listed on checklists started between 6 and 8 pm (66% of those checklists).

0%20%40%60%80%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: 76% of 11313 checklists7 am: 61% of 25717 checklists8 am: 55% of 29755 checklists9 am: 49% of 28897 checklists10 am: 44% of 26343 checklists11 am: 41% of 21210 checklists12 pm: 41% of 17662 checklists1 pm: 40% of 16595 checklists2 pm: 39% of 16405 checklists3 pm: 41% of 17030 checklists4 pm: 47% of 17378 checklists5 pm: 60% of 14251 checklists6 pm: 65% of 10349 checklists7 pm: 68% 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
January7.0%7.8%6.8%11%
February14%12%16%26%
March39%52%61%68%
April71%71%71%73%
May75%74%73%74%
June72%72%76%74%
July73%73%69%64%
August58%51%46%43%
September42%42%39%42%
October47%52%50%46%
November35%23%17%14%
December10%11%13%11%

Neighboring states

  • Missouri: year-round, peaks late March
  • Wisconsin: all year, most in spring, peaks the second week of May
  • Minnesota: all year, most in summer, peaks the second week of May
  • Illinois: all year, most in summer, peaks mid May

Common questions

When do American Robins arrive in Iowa?
The American Robin is in Iowa all year. It turns up on about 74% of checklists at its peak (late June) and on 7.2% in its quietest week (the second week of January).
When do American Robins leave Iowa?
The American Robin does not leave Iowa: it is reported all year, from 7.2% of checklists in the second week of January to 74% in late June.
When is the best time to see a American Robin in Iowa?
The American Robin is reported most often in late June, on about 74% of Iowa checklists.
Where in Iowa are American Robins seen most often?
By county, Clarke County, Cedar County, and Shelby County have the highest peak reporting rates for the American Robin (counties with at least 200 checklists).