Blue-headed Vireos mostly pass through Nebraska: they arrive in late August, peak in the second week of September (4.6% of checklists), and most are gone by the second week of October.
When to look
First arrivalsAug 22-31late August
Common byAug 22-31late August
PeakSep 8-14the second week of September
Most gone byOct 8-14the second week of October
Best: the second week of September. First arrivals late August; most are gone by the second week of October. Peak: on about 4.6% of Nebraska checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maycommon
Junrare
Julnot usually seen
Auguncommon
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 Nebraska 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.
Mercer ParkDouglas County, best mid September · 35 checklists that week, 696 in all21%
Hanscom ParkDouglas County, best the second week of May · 23 checklists that week, 133 in all20%
Wilderness Park (south 2)Lancaster County, best early September · 20 checklists that week, 293 in all19%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Nebraska, the Blue-headed Vireo is most often listed on checklists started between 7 and 9 am (1.4% 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%
April
0%
0%
0%
0.4%
May
1.9%
3.4%
1.9%
0.6%
June
0.1%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0.1%
0.1%
0.7%
September
4.1%
6.0%
3.6%
3.3%
October
1.7%
1.4%
0.3%
0.1%
November
0.1%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Kansas: arrives mid April, 17 weeks earlier than Nebraska
South Dakota: arrives late August, in the same week than Nebraska
Iowa: arrives late April, 16 weeks earlier than Nebraska
Missouri: arrives the second week of April, 18 weeks earlier than Nebraska
Common questions
When do Blue-headed Vireos arrive in Nebraska?
Blue-headed Vireos mostly pass through Nebraska: they arrive in late August, peak in the second week of September (4.6% of checklists), and most are gone by the second week of October.
When do Blue-headed Vireos leave Nebraska?
Most Blue-headed Vireos have left Nebraska by the second week of October, when reports fall below half their usual rate.
When is the best time to see a Blue-headed Vireo in Nebraska?
The Blue-headed Vireo is reported most often in the second week of September, on about 4.6% of Nebraska checklists.
Where in Nebraska are Blue-headed Vireos seen most often?
By county, Wayne County, Dakota County, and Nemaha County have the highest peak reporting rates for the Blue-headed Vireo (counties with at least 200 checklists).