Semipalmated Sandpipers reach Ohio in the second week of July, are common by mid July, peak in mid August (7.7% of checklists), and most are gone by late September.
When to look
First arrivalsJul 8-14the second week of July
Common byJul 15-21mid July
PeakAug 15-21mid August
Most gone bySep 22-30late September
Best: mid August. First arrivals the second week of July; most are gone by late September. Peak: on about 7.7% of Ohio checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprnot usually seen
Mayuncommon
Jununcommon
Julcommon
Augpeak season
Seppeak season
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 Ohio 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 Ohio, the Semipalmated Sandpiper is most often listed on checklists started between 6 and 8 pm (1.9% 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%
0.1%
0.1%
May
0.3%
1.0%
2.4%
2.9%
June
1.4%
0.5%
0.2%
0.1%
July
0.3%
1.2%
2.9%
4.1%
August
5.2%
6.8%
7.7%
8.3%
September
6.7%
4.1%
2.9%
1.8%
October
1.1%
0.4%
0.2%
0.1%
November
0.1%
0.1%
0.1%
0.1%
December
0%
0%
0%
0%
Neighboring states
West Virginia: arrives late July, 2 weeks later than Ohio
Michigan: arrives mid July, 1 week later than Ohio
Kentucky: arrives late July, 2 weeks later than Ohio
Common questions
When do Semipalmated Sandpipers arrive in Ohio?
Semipalmated Sandpipers reach Ohio in the second week of July, are common by mid July, peak in mid August (7.7% of checklists), and most are gone by late September.
When do Semipalmated Sandpipers leave Ohio?
Most Semipalmated Sandpipers have left Ohio by late September, when reports fall below half their usual rate. Stragglers are still reported until early October.
When is the best time to see a Semipalmated Sandpiper in Ohio?
The Semipalmated Sandpiper is reported most often in mid August, on about 7.7% of Ohio checklists.
Where in Ohio are Semipalmated Sandpipers seen most often?
By county, Ashtabula County, Wayne County, and Erie County have the highest peak reporting rates for the Semipalmated Sandpiper (counties with at least 200 checklists).