Blackburnian Warblers arrive in West Virginia in late April, peak in mid May (5.4% of checklists), and most are gone by late June.
When to look
First arrivalsApr 22-30late April
Common byApr 22-30late April
PeakMay 15-21mid May
Most gone byJun 22-30late June
Best: mid May. First arrivals late April; most are gone by late June. Peak: on about 5.4% of West Virginia checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junpeak season
Juluncommon
Augcommon
Seppeak season
Octcommon
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 West Virginia 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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In West Virginia, the Blackburnian Warbler is most often listed on checklists started between 6 and 8 am (3.3% 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%
0.1%
0.2%
1.7%
May
5.0%
5.6%
5.7%
5.0%
June
4.6%
3.4%
3.2%
1.9%
July
0.8%
0.4%
0.4%
0.3%
August
0.6%
1.0%
1.3%
3.6%
September
5.0%
5.6%
5.6%
4.8%
October
2.6%
0.7%
0.2%
0.1%
November
0%
0%
0%
0.1%
December
0%
0%
0%
0%
Neighboring states
Virginia: arrives late April, in the same week than West Virginia
Maryland: arrives mid August, 15 weeks later than West Virginia
Ohio: arrives late April, in the same week than West Virginia
Common questions
When do Blackburnian Warblers arrive in West Virginia?
Blackburnian Warblers arrive in West Virginia in late April, peak in mid May (5.4% of checklists), and most are gone by late June.
When do Blackburnian Warblers leave West Virginia?
Most Blackburnian Warblers have left West Virginia by late June, when reports fall below half their usual rate. Stragglers are still reported until early July.
When is the best time to see a Blackburnian Warbler in West Virginia?
The Blackburnian Warbler is reported most often in mid May, on about 5.4% of West Virginia checklists.
Where in West Virginia are Blackburnian Warblers seen most often?
By county, Wetzel County, Pocahontas County, and Wood County have the highest peak reporting rates for the Blackburnian Warbler (counties with at least 200 checklists).