WhenToBird

Vireo solitarius · Vireonidae

Blue-headed Vireo: When and Where to See It

Adult Blue-headed Vireo
Photo: Gordon Johnston, CC BY-SA 4.0 via iNaturalist

The Blue-headed Vireo reaches North Carolina first, around the second week of March, and Wisconsin last, around late April.

JanFebMarAprMayJunJulAugSepOctNovDec
today
Second week of November

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.

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0%2%4%6%Jan 1-7: 0.9% of 1114036 checklistsJan 8-14: 0.9% of 824708 checklistsJan 15-21: 0.8% of 825978 checklistsJan 22-31: 0.8% of 1105853 checklistsFeb 1-7: 0.8% of 779772 checklistsFeb 8-14: 0.7% of 864504 checklistsFeb 15-21: 0.5% of 1127933 checklistsFeb 22-28: 0.6% of 840124 checklistsMar 1-7: 0.6% of 839610 checklistsMar 8-14: 0.7% of 870138 checklistsMar 15-21: 0.8% of 898456 checklistsMar 22-31: 1.0% of 1335637 checklistsApr 1-7: 1.2% of 1030617 checklistsApr 8-14: 1.4% of 1124024 checklistsApr 15-21: 2.2% of 1194575 checklistsApr 22-30: 3.8% of 1675723 checklistsMay 1-7: 5.6% of 1449080 checklistsMay 8-14: 5.0% of 1538353 checklistsMay 15-21: 3.6% of 1219898 checklistsMay 22-31: 2.1% of 1452282 checklistsJun 1-7: 1.9% of 900636 checklistsJun 8-14: 1.9% of 829907 checklistsJun 15-21: 2.1% of 773255 checklistsJun 22-30: 1.9% of 916255 checklistsJul 1-7: 1.9% of 717733 checklistsJul 8-14: 1.6% of 658223 checklistsJul 15-21: 1.4% of 638752 checklistsJul 22-31: 1.1% of 895727 checklistsAug 1-7: 0.8% of 655651 checklistsAug 8-14: 0.6% of 650038 checklistsAug 15-21: 0.5% of 654639 checklistsAug 22-31: 0.6% of 974928 checklistsSep 1-7: 0.9% of 765914 checklistsSep 8-14: 1.3% of 738674 checklistsSep 15-21: 1.9% of 750433 checklistsSep 22-30: 2.7% of 944196 checklistsOct 1-7: 3.3% of 760106 checklistsOct 8-14: 3.1% of 793131 checklistsOct 15-21: 2.5% of 728727 checklistsOct 22-31: 1.5% of 959954 checklistsNov 1-7: 0.9% of 709464 checklistsNov 8-14: 0.8% of 693424 checklistsNov 15-21: 0.8% of 653952 checklistsNov 22-30: 0.8% of 871137 checklistsDec 1-7: 0.9% of 627591 checklistsDec 8-14: 0.9% of 642427 checklistsDec 15-21: 1.0% of 775638 checklistsDec 22-31: 1.0% of 1132751 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.

Pooled across every state in the data, so it leans toward states with the most birders.

States, in order of first arrivals

StatePatternFirst arrivalsPeakMost gone byPeak %
North CarolinaSummer visitorMar 8-14Apr 15-21Nov 1-78.6%
West VirginiaSummer visitorMar 15-21Jun 1-7Oct 15-2113%
KentuckySummer visitorMar 15-21Apr 22-30Jul 15-215.5%
TennesseeSummer visitorMar 15-21Apr 15-21Jul 22-317.0%
ArkansasSummer visitorMar 15-21May 1-7May 22-312.9%
VirginiaSummer visitorMar 22-31Apr 22-30Nov 1-77.3%
District of ColumbiaSummer visitorApr 1-7Apr 22-30May 22-318.1%
OklahomaSummer visitorApr 1-7May 1-7May 22-311.6%
New YorkSummer visitorApr 8-14May 1-7Oct 22-3110%
OhioPasses throughApr 8-14May 1-7Jun 22-307.7%
New JerseyPasses throughApr 8-14May 1-7Jun 1-76.8%
MissouriPasses throughApr 8-14May 1-7Jun 1-74.4%
MaineSummer visitorApr 15-21May 8-14Oct 8-1418%
New HampshireSummer visitorApr 15-21May 8-14Oct 8-1416%
VermontSummer visitorApr 15-21May 8-14Oct 8-1414%
MassachusettsSummer visitorApr 15-21May 1-7Jul 15-2110%
IllinoisPasses throughApr 15-21May 8-14Jun 1-75.9%
IndianaSummer visitorApr 15-21May 1-7May 22-315.2%
KansasSummer visitorApr 15-21May 8-14May 15-215.0%
MichiganSummer visitorApr 15-21May 8-14Jul 22-316.1%
IowaSummer visitorApr 22-30May 8-14May 22-316.0%
WisconsinSummer visitorApr 22-30May 8-14Jul 22-315.4%
North DakotaPasses throughAug 15-21Sep 1-7Sep 15-215.1%
MinnesotaSummer visitorAug 22-31Sep 15-21Oct 8-145.4%
NebraskaPasses throughAug 22-31Sep 8-14Oct 8-144.6%
South DakotaPasses throughAug 22-31Sep 8-14Sep 22-302.2%
DelawarePasses throughSep 1-7Oct 8-14Nov 8-144.3%
GeorgiaSummer visitorSep 22-30Apr 1-7Jun 22-305.7%
South CarolinaSummer visitorOct 1-7Apr 1-7Apr 22-305.7%
TexasSummer visitorOct 1-7Apr 22-30May 8-144.1%
AlabamaWinter visitorOct 1-7Mar 22-31May 1-74.7%
LouisianaWinter visitorOct 8-14Dec 15-21Apr 15-219.0%
FloridaWinter visitorOct 15-21Dec 15-21Apr 15-215.9%
MississippiWinter visitorOct 15-21Dec 8-14Apr 22-303.7%
PennsylvaniaWinter visitorApr 8-14Oct 8-14Oct 22-318.0%
ConnecticutWinter visitorSep 8-14Oct 8-14Nov 1-77.3%
MarylandWinter visitorSep 8-14Oct 8-14Nov 1-76.4%
Rhode IslandWinter visitorSep 8-14Oct 8-14Nov 1-77.4%

Winter visitor in: Louisiana, Florida, Mississippi, Pennsylvania, Connecticut, Maryland, Rhode Island, Alabama

Passes through: North Dakota, Nebraska, South Dakota, Delaware

Summer visitor in: Minnesota, Georgia, South Carolina, Texas