Orange-crowned Warblers arrive in Oklahoma in the second week of March, peak in late April (9.4% of checklists), and most are gone by mid May.
When to look
First arrivalsMar 8-14the second week of March
Common byMar 8-14the second week of March
PeakApr 22-30late April
Most gone byMay 15-21mid May
Best: late April. First arrivals the second week of March; most are gone by mid May. Peak: on about 9.4% of Oklahoma checklists.
Janrare
Febrare
Maruncommon
Aprpeak season
Maypeak season
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepcommon
Octpeak season
Novcommon
Decrare
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.
Sanborn Lake ParkPayne County, best the second week of October · 43 checklists that week, 992 in all39%
Martin Park Nature CenterOklahoma County, best late April · 60 checklists that week, 1,168 in all36%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Oklahoma, the Orange-crowned Warbler is most often listed on checklists started between 6 and 8 am (5.0% 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
1.0%
1.1%
1.3%
1.4%
February
1.4%
1.0%
0.7%
0.7%
March
0.7%
0.9%
0.8%
1.3%
April
2.2%
3.9%
8.1%
10%
May
9.5%
4.0%
1.3%
0.2%
June
0.1%
0%
0%
0%
July
0%
0%
0%
0%
August
0.1%
0%
0%
0%
September
0.3%
0.2%
1.0%
4.7%
October
8.1%
9.0%
9.9%
7.2%
November
4.3%
2.7%
2.0%
1.2%
December
1.4%
1.0%
1.6%
1.3%
Neighboring states
Kansas: arrives late August, 22 weeks later than Oklahoma
Arkansas: arrives early October, 21 weeks earlier than Oklahoma
Missouri: arrives early September, 23 weeks later than Oklahoma
Nebraska: arrives mid August, 21 weeks later than Oklahoma
Common questions
When do Orange-crowned Warblers arrive in Oklahoma?
Orange-crowned Warblers arrive in Oklahoma in the second week of March, peak in late April (9.4% of checklists), and most are gone by mid May.
When do Orange-crowned Warblers leave Oklahoma?
Most Orange-crowned Warblers have left Oklahoma by mid May, when reports fall below half their usual rate.
When is the best time to see a Orange-crowned Warbler in Oklahoma?
The Orange-crowned Warbler is reported most often in late April, on about 9.4% of Oklahoma checklists.
Where in Oklahoma are Orange-crowned Warblers seen most often?
By county, Stephens County, Texas County, and Washita County have the highest peak reporting rates for the Orange-crowned Warbler (counties with at least 200 checklists).