Blue-headed Vireos arrive in District of Columbia in early April, peak in late April (8.1% of checklists), and most are gone by late May.
When to look
First arrivalsApr 1-7early April
Common byApr 1-7early April
PeakApr 22-30late April
Most gone byMay 22-31late May
Best: late April. First arrivals early April; most are gone by late May. Peak: on about 8.1% of District of Columbia checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprpeak season
Maypeak season
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepuncommon
Octcommon
Novuncommon
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 District of Columbia 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 District of Columbia, the Blue-headed Vireo is most often listed on checklists started between 6 and 8 am (4.0% 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
0.3%
0.1%
0.1%
0.1%
February
0.1%
0%
0%
0%
March
0.1%
0%
0%
0.1%
April
0.4%
1.3%
6.0%
11%
May
7.0%
3.9%
1.0%
0.1%
June
0%
0%
0%
0.1%
July
0%
0.2%
0%
0%
August
0%
0%
0%
0.1%
September
0.1%
0%
0.8%
2.0%
October
3.7%
6.6%
6.2%
4.1%
November
1.8%
0.3%
0.1%
0.2%
December
0.2%
0.4%
0.4%
0.3%
Neighboring states
Maryland: arrives the second week of September, 21 weeks later than District of Columbia
Virginia: arrives late March, 1 week earlier than District of Columbia
Delaware: arrives early September, 20 weeks later than District of Columbia
Pennsylvania: arrives the second week of April, 1 week later than District of Columbia
Common questions
When do Blue-headed Vireos arrive in District of Columbia?
Blue-headed Vireos arrive in District of Columbia in early April, peak in late April (8.1% of checklists), and most are gone by late May.
When do Blue-headed Vireos leave District of Columbia?
Most Blue-headed Vireos have left District of Columbia by late May, when reports fall below half their usual rate.
When is the best time to see a Blue-headed Vireo in District of Columbia?
The Blue-headed Vireo is reported most often in late April, on about 8.1% of District of Columbia checklists.
Where in District of Columbia are Blue-headed Vireos seen most often?
By county, District of Columbia County have the highest peak reporting rates for the Blue-headed Vireo (counties with at least 200 checklists).