Spotted Sandpipers reach Michigan in mid April, are common by late April, peak in early August (10% of checklists), and most are gone by early September.
When to look
First arrivalsApr 15-21mid April
Common byApr 22-30late April
PeakAug 1-7early August
Most gone bySep 1-7early September
Best: early August. First arrivals mid April; most are gone by early September. Peak: on about 10% of Michigan checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maypeak season
Juncommon
Julpeak season
Augpeak season
Sepcommon
Octrare
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 Michigan 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.
Branch CountyBest the second week of August · 23 checklists that week, 2,279 in all49%
Gratiot CountyBest the second week of August · 155 checklists that week, 5,892 in all38%
Monroe CountyBest early August · 386 checklists that week, 22,078 in all32%
Montcalm CountyBest the second week of August · 67 checklists that week, 4,510 in all29%
Roscommon CountyBest the second week of August · 233 checklists that week, 7,054 in all25%
Bay CountyBest late June · 544 checklists that week, 16,522 in all21%
Best spots
Share of checklists at the peak
Kalamazoo RiverAllegan County, best early July · 20 checklists that week, 482 in all96%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Michigan, the Spotted Sandpiper is most often listed on checklists started between 6 and 8 am (5.4% 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%
0.1%
0%
April
0.1%
0.1%
0.8%
3.8%
May
6.1%
7.7%
9.7%
8.3%
June
5.7%
4.6%
4.4%
4.3%
July
5.6%
7.3%
8.0%
9.8%
August
10%
10%
9.1%
6.8%
September
4.1%
2.4%
2.0%
1.3%
October
0.7%
0.2%
0.1%
0.1%
November
0.1%
0.1%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Ohio: arrives the second week of April, 1 week earlier than Michigan
Indiana: arrives the second week of April, 1 week earlier than Michigan
Illinois: arrives mid April, in the same week than Michigan
Wisconsin: arrives mid April, in the same week than Michigan
Common questions
When do Spotted Sandpipers arrive in Michigan?
Spotted Sandpipers reach Michigan in mid April, are common by late April, peak in early August (10% of checklists), and most are gone by early September.
When do Spotted Sandpipers leave Michigan?
Most Spotted Sandpipers have left Michigan by early September, when reports fall below half their usual rate. Stragglers are still reported until late September.
When is the best time to see a Spotted Sandpiper in Michigan?
The Spotted Sandpiper is reported most often in early August, on about 10% of Michigan checklists.
Where in Michigan are Spotted Sandpipers seen most often?
By county, Branch County, Gratiot County, and Monroe County have the highest peak reporting rates for the Spotted Sandpiper (counties with at least 200 checklists).