Blackburnian Warblers mostly pass through Arkansas: they arrive in late April, peak in the second week of May (2.5% of checklists), and most are gone by mid May.
When to look
First arrivalsApr 22-30late April
Common byApr 22-30late April
PeakMay 8-14the second week of May
Most gone byMay 15-21mid May
Best: the second week of May. First arrivals late April; most are gone by mid May. Peak: on about 2.5% of Arkansas checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junnot usually seen
Julnot usually seen
Augnot usually seen
Seprare
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 Arkansas 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.
Drew CountyBest early May · 41 checklists that week, 720 in all12%
Craighead CountyBest the second week of May · 142 checklists that week, 4,800 in all12%
Desha CountyBest the second week of May · 17 checklists that week, 756 in all11%
Phillips CountyBest late April · 17 checklists that week, 523 in all7.7%
Union CountyBest the second week of May · 18 checklists that week, 592 in all7.4%
Poinsett CountyBest the second week of May · 28 checklists that week, 661 in all6.8%
Best spots
Share of checklists at the peak
Craighead Forest ParkCraighead County, best the second week of May · 23 checklists that week, 818 in all37%
GillamPulaski County, best the second week of May · 43 checklists that week, 277 in all20%
Bell Slough (northeast)Faulkner County, best early May · 30 checklists that week, 188 in all14%
Lake Fayetteville ParkWashington County, best the second week of May · 77 checklists that week, 1,197 in all10%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Arkansas, the Blackburnian Warbler is most often listed on checklists started between 6 and 8 am (0.6% 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%
0.1%
1.1%
May
3.1%
2.7%
1.3%
0.2%
June
0%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0%
0.1%
September
0.3%
0.3%
0.2%
0.2%
October
0.3%
0.1%
0%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Missouri: arrives late April, in the same week than Arkansas
Kansas: arrives early May, 1 week later than Arkansas
Mississippi: arrives mid April, 1 week earlier than Arkansas
Louisiana: arrives the second week of April, 2 weeks earlier than Arkansas
Common questions
When do Blackburnian Warblers arrive in Arkansas?
Blackburnian Warblers mostly pass through Arkansas: they arrive in late April, peak in the second week of May (2.5% of checklists), and most are gone by mid May.
When do Blackburnian Warblers leave Arkansas?
Most Blackburnian Warblers have left Arkansas by mid May, when reports fall below half their usual rate.
When is the best time to see a Blackburnian Warbler in Arkansas?
The Blackburnian Warbler is reported most often in the second week of May, on about 2.5% of Arkansas checklists.
Where in Arkansas are Blackburnian Warblers seen most often?
By county, Drew County, Craighead County, and Desha County have the highest peak reporting rates for the Blackburnian Warbler (counties with at least 200 checklists).