WhenToBird

Calidris minutilla · Scolopacidae

When Do Least Sandpipers Arrive in Ohio?

Adult Least Sandpiper
Photo: Alessandro Franchini, CC BY 4.0 via iNaturalist

Least Sandpipers reach Ohio in late June, are common by early July, peak in mid August (10% of checklists), and most are gone by early October.

When to look

First arrivalsJun 22-30late June
Common byJul 1-7early July
PeakAug 15-21mid August
Most gone byOct 1-7early October

Best: mid August. First arrivals late June; most are gone by early October. Peak: on about 10% of Ohio checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprrare
  5. Mayuncommon
  6. Junrare
  7. Julcommon
  8. Augpeak season
  9. Seppeak season
  10. Octuncommon
  11. Novrare
  12. Decnot usually seen

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

0%5%10%15%Jan 1-7: 0.1% of 46637 checklistsJan 8-14: 0% of 31056 checklistsJan 15-21: 0.1% of 30129 checklistsJan 22-31: 0.1% of 38665 checklistsFeb 1-7: 0.1% of 27203 checklistsFeb 8-14: 0.1% of 30626 checklistsFeb 15-21: 0.1% of 40705 checklistsFeb 22-28: 0% of 31391 checklistsMar 1-7: 0.1% of 32914 checklistsMar 8-14: 0.1% of 33973 checklistsMar 15-21: 0.1% of 33678 checklistsMar 22-31: 0.1% of 49889 checklistsApr 1-7: 0.1% of 41225 checklistsApr 8-14: 0.1% of 47174 checklistsApr 15-21: 0.3% of 47017 checklistsApr 22-30: 0.8% of 73055 checklistsMay 1-7: 2.0% of 80637 checklistsMay 8-14: 3.8% of 102552 checklistsMay 15-21: 4.1% of 64582 checklistsMay 22-31: 1.9% of 52766 checklistsJun 1-7: 0.3% of 29279 checklistsJun 8-14: 0.1% of 25773 checklistsJun 15-21: 0.1% of 23163 checklistsJun 22-30: 0.6% of 27794 checklistsJul 1-7: 3.2% of 23334 checklistsJul 8-14: 5.4% of 22147 checklistsJul 15-21: 6.1% of 20998 checklistsJul 22-31: 6.5% of 29749 checklistsAug 1-7: 8.4% of 22899 checklistsAug 8-14: 10% of 21972 checklistsAug 15-21: 11% of 22215 checklistsAug 22-31: 9.6% of 35087 checklistsSep 1-7: 7.6% of 29148 checklistsSep 8-14: 5.2% of 28042 checklistsSep 15-21: 3.7% of 26751 checklistsSep 22-30: 3.0% of 32398 checklistsOct 1-7: 2.2% of 26209 checklistsOct 8-14: 1.3% of 26809 checklistsOct 15-21: 1.3% of 23504 checklistsOct 22-31: 1.0% of 33269 checklistsNov 1-7: 0.6% of 25563 checklistsNov 8-14: 0.2% of 23810 checklistsNov 15-21: 0.1% of 22127 checklistsNov 22-30: 0.1% of 29449 checklistsDec 1-7: 0.1% of 22370 checklistsDec 8-14: 0.1% of 21581 checklistsDec 15-21: 0.1% of 24232 checklistsDec 22-31: 0.1% of 36084 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 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
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 Ohio

Best counties

Share of checklists at the peak
  1. Ashtabula CountyBest the second week of August · 247 checklists that week, 12,390 in all37%
  2. Wayne CountyBest mid August · 605 checklists that week, 37,443 in all34%
  3. Auglaize CountyBest early September · 32 checklists that week, 2,068 in all32%
  4. Mahoning CountyBest the second week of August · 217 checklists that week, 14,421 in all27%
  5. Pickaway CountyBest early September · 135 checklists that week, 6,348 in all26%
  6. Wyandot CountyBest mid October · 168 checklists that week, 6,235 in all25%

Best spots

Share of checklists at the peak
  1. Huron RangeErie County, best mid August · 41 checklists that week, 944 in all81%
  2. Walbourne ReservoirStark County, best the second week of July · 28 checklists that week, 1,350 in all81%
  3. West Branch State ParkPortage County, best mid August · 46 checklists that week, 393 in all79%
  4. Mohicanville ReservoirWayne County, best mid August · 193 checklists that week, 4,208 in all74%

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

Best time of day

In Ohio, the Least Sandpiper is most often listed on checklists started between 6 and 8 pm (3.1% of those checklists).

0%1%2%3%4%12 am: too few checklists (574) to judge1 am: too few checklists (609) to judge2 am: too few checklists (466) to judge3 am: too few checklists (478) to judge4 am: too few checklists (662) to judge5 am: too few checklists (4366) to judge6 am: 3.5% of 43093 checklists7 am: 2.5% of 142017 checklists8 am: 2.0% of 205296 checklists9 am: 1.7% of 196322 checklists10 am: 1.7% of 170882 checklists11 am: 1.7% of 144567 checklists12 pm: 1.6% of 126551 checklists1 pm: 1.7% of 117855 checklists2 pm: 1.7% of 112869 checklists3 pm: 1.8% of 109786 checklists4 pm: 1.8% of 103116 checklists5 pm: 2.5% of 78409 checklists6 pm: 3.0% of 56785 checklists7 pm: 3.1% of 37923 checklists8 pm: too few checklists (14954) to judge9 pm: too few checklists (2710) to judge10 pm: too few checklists (854) to judge11 pm: too few checklists (486) 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
January0.1%0%0.1%0.1%
February0.1%0.1%0.1%0%
March0.1%0.1%0.1%0.1%
April0.1%0.1%0.3%0.8%
May2.0%3.8%4.1%1.9%
June0.3%0.1%0.1%0.6%
July3.2%5.4%6.1%6.5%
August8.4%10%11%9.6%
September7.6%5.2%3.7%3.0%
October2.2%1.3%1.3%1.0%
November0.6%0.2%0.1%0.1%
December0.1%0.1%0.1%0.1%

Neighboring states

  • West Virginia: arrives mid July, 3 weeks later than Ohio
  • Indiana: arrives early July, 1 week later than Ohio
  • Michigan: arrives early July, 1 week later than Ohio
  • Kentucky: arrives early July, 1 week later than Ohio

Common questions

When do Least Sandpipers arrive in Ohio?
Least Sandpipers reach Ohio in late June, are common by early July, peak in mid August (10% of checklists), and most are gone by early October.
When do Least Sandpipers leave Ohio?
Most Least Sandpipers have left Ohio by early October, when reports fall below half their usual rate. Stragglers are still reported until mid October.
When is the best time to see a Least Sandpiper in Ohio?
The Least Sandpiper is reported most often in mid August, on about 10% of Ohio checklists.
Where in Ohio are Least Sandpipers seen most often?
By county, Ashtabula County, Wayne County, and Auglaize County have the highest peak reporting rates for the Least Sandpiper (counties with at least 200 checklists).