Orange-crowned Warblers arrive in South Dakota in mid April, peak in the second week of May (13% of checklists), and most are gone by late May.
When to look
First arrivalsApr 15-21mid April
Common byApr 15-21mid April
PeakMay 8-14the second week of May
Most gone byMay 22-31late May
Best: the second week of May. First arrivals mid April; most are gone by late May. Peak: on about 13% of South Dakota checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junrare
Julnot usually seen
Augrare
Seppeak season
Octpeak season
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 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
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 South Dakota, the Orange-crowned Warbler is most often listed on checklists started between 7 and 9 am (4.6% 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%
1.2%
8.0%
May
17%
14%
8.9%
1.5%
June
0.1%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0.1%
0.3%
1.1%
September
3.1%
5.0%
11%
13%
October
13%
7.6%
3.2%
1.0%
November
0.3%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Nebraska: arrives mid August, 16 weeks later than South Dakota
North Dakota: arrives late August, 17 weeks later than South Dakota
Minnesota: arrives early September, 18 weeks later than South Dakota
Iowa: arrives mid September, 20 weeks later than South Dakota
Common questions
When do Orange-crowned Warblers arrive in South Dakota?
Orange-crowned Warblers arrive in South Dakota in mid April, peak in the second week of May (13% of checklists), and most are gone by late May.
When do Orange-crowned Warblers leave South Dakota?
Most Orange-crowned Warblers have left South Dakota by late May, when reports fall below half their usual rate.
When is the best time to see a Orange-crowned Warbler in South Dakota?
The Orange-crowned Warbler is reported most often in the second week of May, on about 13% of South Dakota checklists.
Where in South Dakota are Orange-crowned Warblers seen most often?
By county, Hughes County, Hyde County, and Stanley County have the highest peak reporting rates for the Orange-crowned Warbler (counties with at least 200 checklists).