WhenToBird

Corvus brachyrhynchos · Corvidae

When Do American Crows Arrive in South Dakota?

Adult American Crow
Photo: Ken Kneidel, CC0 1.0 via iNaturalist

The American Crow is in South Dakota all year. It turns up on about 22% of checklists at its peak (the second week of March) and on 9.7% in its quietest week (early August).

When to look

PresentAll year
Peak weekMar 8-14the second week of March
Quietest weekAug 1-7early August

Best: the second week of March. Here all year. Peak: on about 22% of South Dakota checklists.

  1. Jancommon
  2. Febpeak season
  3. Marpeak season
  4. Aprcommon
  5. Maycommon
  6. Juncommon
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octpeak season
  11. Novcommon
  12. Deccommon

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

0%10%20%30%Jan 1-7: 12% of 1699 checklistsJan 8-14: 13% of 967 checklistsJan 15-21: 12% of 893 checklistsJan 22-31: 15% of 1338 checklistsFeb 1-7: 14% of 898 checklistsFeb 8-14: 13% of 1013 checklistsFeb 15-21: 13% of 1650 checklistsFeb 22-28: 18% of 1011 checklistsMar 1-7: 22% of 1304 checklistsMar 8-14: 21% of 1447 checklistsMar 15-21: 23% of 1524 checklistsMar 22-31: 19% of 2850 checklistsApr 1-7: 14% of 2170 checklistsApr 8-14: 13% of 2259 checklistsApr 15-21: 11% of 2578 checklistsApr 22-30: 9.7% of 3858 checklistsMay 1-7: 11% of 3532 checklistsMay 8-14: 12% of 4498 checklistsMay 15-21: 15% of 4211 checklistsMay 22-31: 14% of 5094 checklistsJun 1-7: 13% of 3279 checklistsJun 8-14: 13% of 3503 checklistsJun 15-21: 14% of 2861 checklistsJun 22-30: 12% of 3893 checklistsJul 1-7: 12% of 2666 checklistsJul 8-14: 11% of 2554 checklistsJul 15-21: 11% of 2412 checklistsJul 22-31: 10% of 2746 checklistsAug 1-7: 9.2% of 1842 checklistsAug 8-14: 9.3% of 1899 checklistsAug 15-21: 11% of 1757 checklistsAug 22-31: 9.6% of 2464 checklistsSep 1-7: 12% of 1894 checklistsSep 8-14: 14% of 1794 checklistsSep 15-21: 14% of 1671 checklistsSep 22-30: 15% of 2085 checklistsOct 1-7: 17% of 1429 checklistsOct 8-14: 16% of 1441 checklistsOct 15-21: 18% of 1330 checklistsOct 22-31: 16% of 1471 checklistsNov 1-7: 13% of 1168 checklistsNov 8-14: 12% of 1068 checklistsNov 15-21: 15% of 985 checklistsNov 22-30: 14% of 1108 checklistsDec 1-7: 12% of 890 checklistsDec 8-14: 11% of 957 checklistsDec 15-21: 15% of 1246 checklistsDec 22-31: 14% of 1514 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 South Dakota 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 South Dakota

Best counties

Share of checklists at the peak
  1. Oglala Lakota CountyBest late October · 14 checklists that week, 214 in all47%
  2. Lincoln CountyBest the second week of March · 33 checklists that week, 2,721 in all45%
  3. Fall River CountyBest early March · 39 checklists that week, 3,040 in all43%
  4. Jackson CountyBest early March · 11 checklists that week, 3,039 in all43%
  5. Gregory CountyBest mid February · 15 checklists that week, 472 in all39%
  6. Custer CountyBest the second week of October · 93 checklists that week, 7,902 in all39%

Best spots

Share of checklists at the peak
  1. Union GroveUnion County, best the second week of May · 25 checklists that week, 168 in all70%
  2. McCrory Gardens and South Dakota ArboretumBrookings County, best mid October · 20 checklists that week, 382 in all59%
  3. Badlands National Park (northwest)Pennington County, best late May · 20 checklists that week, 252 in all54%
  4. Dakota Nature ParkBrookings County, best mid March · 29 checklists that week, 1,079 in all52%
  5. Prairie Dog CanyonCuster County, best late May · 20 checklists that week, 184 in all50%
  6. Bismark LakeCuster County, best the second week of June · 39 checklists that week, 282 in all49%

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

Best time of day

In South Dakota, the American Crow is most often listed on checklists started between 6 and 8 am (21% of those checklists).

0%10%20%30%12 am: too few checklists (49) to judge1 am: too few checklists (44) to judge2 am: too few checklists (33) to judge3 am: too few checklists (59) to judge4 am: too few checklists (227) to judge5 am: too few checklists (1080) to judge6 am: 26% of 3387 checklists7 am: 19% of 7718 checklists8 am: 16% of 10342 checklists9 am: 15% of 10758 checklists10 am: 14% of 9123 checklists11 am: 12% of 7814 checklists12 pm: 12% of 6876 checklists1 pm: 12% of 6801 checklists2 pm: 11% of 6673 checklists3 pm: 10% of 6344 checklists4 pm: 9.5% of 6412 checklists5 pm: 11% of 5570 checklists6 pm: 9.2% of 4276 checklists7 pm: 8.8% of 3183 checklists8 pm: too few checklists (1499) to judge9 pm: too few checklists (329) to judge10 pm: too few checklists (82) to judge11 pm: too few checklists (42) 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
January12%13%12%15%
February14%13%13%18%
March22%21%23%19%
April14%13%11%9.7%
May11%12%15%14%
June13%13%14%12%
July12%11%11%10%
August9.2%9.3%11%9.6%
September12%14%14%15%
October17%16%18%16%
November13%12%15%14%
December12%11%15%14%

Neighboring states

  • Nebraska: all year, most in winter, peaks late October
  • North Dakota: year-round, peaks mid March
  • Minnesota: year-round, peaks the second week of March
  • Iowa: year-round, peaks early March

Common questions

When do American Crows arrive in South Dakota?
The American Crow is in South Dakota all year. It turns up on about 22% of checklists at its peak (the second week of March) and on 9.7% in its quietest week (early August).
When do American Crows leave South Dakota?
The American Crow does not leave South Dakota: it is reported all year, from 9.7% of checklists in early August to 22% in the second week of March.
When is the best time to see a American Crow in South Dakota?
The American Crow is reported most often in the second week of March, on about 22% of South Dakota checklists.
Where in South Dakota are American Crows seen most often?
By county, Oglala Lakota County, Lincoln County, and Fall River County have the highest peak reporting rates for the American Crow (counties with at least 200 checklists).