Clay-colored Sparrows mostly pass through Oklahoma: they arrive in the second week of April, peak in early May (8.4% of checklists), and most are gone by mid May.
When to look
First arrivalsApr 8-14the second week of April
Common byApr 8-14the second week of April
PeakMay 1-7early May
Most gone byMay 15-21mid May
Best: early May. First arrivals the second week of April; most are gone by mid May. Peak: on about 8.4% of Oklahoma checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprpeak season
Maypeak season
Junnot usually seen
Julnot usually seen
Augrare
Sepuncommon
Octuncommon
Novrare
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.
Myriad GardensOklahoma County, best late April · 35 checklists that week, 911 in all33%
Lake Carl EtlingCimarron County, best early September · 27 checklists that week, 413 in all30%
Boomer Lake ParkPayne County, best early May · 133 checklists that week, 3,723 in all30%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Oklahoma, the Clay-colored Sparrow is most often listed on checklists started between 6 and 8 am (2.4% 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%
0.2%
April
0.6%
1.1%
3.5%
8.3%
May
12%
5.1%
1.2%
0%
June
0%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0%
0.3%
September
0.9%
1.3%
1.6%
2.5%
October
2.3%
1.8%
2.1%
0.9%
November
0.1%
0%
0%
0.1%
December
0%
0.1%
0%
0%
Neighboring states
Kansas: arrives mid April, 1 week later than Oklahoma
Nebraska: arrives mid April, 1 week later than Oklahoma
Texas: arrives early March, 5 weeks earlier than Oklahoma
Iowa: arrives late April, 2 weeks later than Oklahoma
Common questions
When do Clay-colored Sparrows arrive in Oklahoma?
Clay-colored Sparrows mostly pass through Oklahoma: they arrive in the second week of April, peak in early May (8.4% of checklists), and most are gone by mid May.
When do Clay-colored Sparrows leave Oklahoma?
Most Clay-colored Sparrows have left Oklahoma by mid May, when reports fall below half their usual rate.
When is the best time to see a Clay-colored Sparrow in Oklahoma?
The Clay-colored Sparrow is reported most often in early May, on about 8.4% of Oklahoma checklists.
Where in Oklahoma are Clay-colored Sparrows seen most often?
By county, Washita County, Garfield County, and Kiowa County have the highest peak reporting rates for the Clay-colored Sparrow (counties with at least 200 checklists).