Pied-billed Grebes reach South Dakota in mid March, are common by late March, peak in mid April (13% of checklists), and most are gone by late November.
When to look
First arrivalsMar 15-21mid March
Common byMar 22-31late March
PeakApr 15-21mid April
Most gone byNov 22-30late November
Best: mid April. First arrivals mid March; most are gone by late November. Peak: on about 13% of South Dakota checklists.
Jannot usually seen
Febnot usually seen
Maruncommon
Aprpeak season
Maycommon
Jununcommon
Juluncommon
Augcommon
Sepcommon
Octpeak season
Novpeak season
Decrare
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.
Deuel CountyBest late September · 10 checklists that week, 444 in all47%
Aurora CountyBest late October · 11 checklists that week, 348 in all45%
Hamlin CountyBest mid April · 12 checklists that week, 314 in all44%
Meade CountyBest late October · 14 checklists that week, 1,338 in all39%
Yankton CountyBest early November · 88 checklists that week, 3,895 in all37%
Kingsbury CountyBest early September · 12 checklists that week, 300 in all35%
Best spots
Share of checklists at the peak
Farm IslandHughes County, best mid October · 24 checklists that week, 825 in all39%
Bramble ParkCodington County, best late April · 23 checklists that week, 280 in all32%
Wall LakeMinnehaha County, best late April · 22 checklists that week, 450 in all30%
SertomaMinnehaha County, best mid April · 36 checklists that week, 764 in all29%
Dakota Nature ParkBrookings County, best mid April · 34 checklists that week, 1,079 in all25%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In South Dakota, the Pied-billed Grebe is most often listed on checklists started between 5 and 7 pm (6.3% 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
0.2%
0.5%
0.3%
0.1%
February
0.2%
0.1%
0.1%
0.1%
March
0.2%
0.1%
0.5%
3.1%
April
7.9%
12%
15%
13%
May
7.1%
5.0%
3.7%
3.3%
June
2.1%
1.7%
2.8%
3.0%
July
3.7%
3.0%
3.5%
4.4%
August
5.3%
6.2%
4.4%
4.8%
September
6.5%
5.9%
7.6%
7.1%
October
8.3%
9.3%
9.8%
14%
November
10%
7.7%
3.8%
2.5%
December
1.8%
0.3%
1.0%
0.2%
Neighboring states
Nebraska: arrives the second week of March, 1 week earlier than South Dakota
North Dakota: arrives late March, 1 week later than South Dakota
Minnesota: arrives mid March, in the same week than South Dakota
Iowa: arrives early March, 2 weeks earlier than South Dakota
Common questions
When do Pied-billed Grebes arrive in South Dakota?
Pied-billed Grebes reach South Dakota in mid March, are common by late March, peak in mid April (13% of checklists), and most are gone by late November.
When do Pied-billed Grebes leave South Dakota?
Most Pied-billed Grebes have left South Dakota by late November, when reports fall below half their usual rate. Stragglers are still reported until the second week of December.
When is the best time to see a Pied-billed Grebe in South Dakota?
The Pied-billed Grebe is reported most often in mid April, on about 13% of South Dakota checklists.
Where in South Dakota are Pied-billed Grebes seen most often?
By county, Deuel County, Aurora County, and Hamlin County have the highest peak reporting rates for the Pied-billed Grebe (counties with at least 200 checklists).