Upland Sandpipers arrive in Oklahoma in mid July, peak in mid August (5.4% of checklists), and most are gone by the second week of September.
When to look
First arrivalsJul 15-21mid July
Common byJul 15-21mid July
PeakAug 15-21mid August
Most gone bySep 8-14the second week of September
Best: mid August. First arrivals mid July; most are gone by the second week of September. Peak: on about 5.4% of Oklahoma checklists.
Jannot usually seen
Febnot usually seen
Marrare
Aprcommon
Maycommon
Junnot usually seen
Juluncommon
Augpeak season
Sepcommon
Octnot usually seen
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 Oklahoma 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.
Upper Dog PondAlfalfa County, best late August · 24 checklists that week, 783 in all15%
CLO LandsPayne County, best late August · 30 checklists that week, 1,208 in all14%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Oklahoma, the Upland Sandpiper is most often listed on checklists started between 6 and 8 am (2.5% 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%
0.3%
April
0.9%
2.3%
4.4%
4.0%
May
2.8%
0.9%
0.3%
0.1%
June
0.1%
0.1%
0.1%
0.1%
July
0.3%
0.7%
0.8%
2.2%
August
3.0%
5.6%
6.1%
4.7%
September
3.8%
1.8%
0.6%
0.1%
October
0.1%
0%
0.1%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Kansas: arrives the second week of April, 13 weeks earlier than Oklahoma
Arkansas: arrives late July, 1 week later than Oklahoma
Nebraska: arrives late April, 11 weeks earlier than Oklahoma
Texas: arrives late July, 1 week later than Oklahoma
Common questions
When do Upland Sandpipers arrive in Oklahoma?
Upland Sandpipers arrive in Oklahoma in mid July, peak in mid August (5.4% of checklists), and most are gone by the second week of September.
When do Upland Sandpipers leave Oklahoma?
Most Upland Sandpipers have left Oklahoma by the second week of September, when reports fall below half their usual rate.
When is the best time to see a Upland Sandpiper in Oklahoma?
The Upland Sandpiper is reported most often in mid August, on about 5.4% of Oklahoma checklists.
Where in Oklahoma are Upland Sandpipers seen most often?
By county, Tillman County, Garfield County, and Major County have the highest peak reporting rates for the Upland Sandpiper (counties with at least 200 checklists).