WhenToBird

Xanthocephalus xanthocephalus · Icteridae

Yellow-headed Blackbird: When and Where to See It

Adult male Yellow-headed Blackbird
Photo: Ellen Eiriksson, CC BY 4.0 via iNaturalist

The Yellow-headed Blackbird reaches Nevada first, around the second week of March, and Ohio 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%0.5%1%1.5%2%Jan 1-7: 0.1% of 1114036 checklistsJan 8-14: 0.2% of 824708 checklistsJan 15-21: 0.2% of 825978 checklistsJan 22-31: 0.2% of 1105853 checklistsFeb 1-7: 0.1% of 779772 checklistsFeb 8-14: 0.1% of 864504 checklistsFeb 15-21: 0.1% of 1127933 checklistsFeb 22-28: 0.1% of 840124 checklistsMar 1-7: 0.1% of 839610 checklistsMar 8-14: 0.1% of 870138 checklistsMar 15-21: 0.2% of 898456 checklistsMar 22-31: 0.4% of 1335637 checklistsApr 1-7: 0.6% of 1030617 checklistsApr 8-14: 0.9% of 1124024 checklistsApr 15-21: 1.4% of 1194575 checklistsApr 22-30: 1.7% of 1675723 checklistsMay 1-7: 1.7% of 1449080 checklistsMay 8-14: 1.7% of 1538353 checklistsMay 15-21: 1.8% of 1219898 checklistsMay 22-31: 1.9% of 1452282 checklistsJun 1-7: 1.7% of 900636 checklistsJun 8-14: 1.5% of 829907 checklistsJun 15-21: 1.4% of 773255 checklistsJun 22-30: 1.3% of 916255 checklistsJul 1-7: 1.1% of 717733 checklistsJul 8-14: 1.0% of 658223 checklistsJul 15-21: 1.0% of 638752 checklistsJul 22-31: 0.9% of 895727 checklistsAug 1-7: 0.8% of 655651 checklistsAug 8-14: 0.9% of 650038 checklistsAug 15-21: 0.9% of 654639 checklistsAug 22-31: 0.9% of 974928 checklistsSep 1-7: 0.9% of 765914 checklistsSep 8-14: 0.8% of 738674 checklistsSep 15-21: 0.7% of 750433 checklistsSep 22-30: 0.5% of 944196 checklistsOct 1-7: 0.4% of 760106 checklistsOct 8-14: 0.3% of 793131 checklistsOct 15-21: 0.2% of 728727 checklistsOct 22-31: 0.2% of 959954 checklistsNov 1-7: 0.2% of 709464 checklistsNov 8-14: 0.1% of 693424 checklistsNov 15-21: 0.1% of 653952 checklistsNov 22-30: 0.1% of 871137 checklistsDec 1-7: 0.1% of 627591 checklistsDec 8-14: 0.1% of 642427 checklistsDec 15-21: 0.1% of 775638 checklistsDec 22-31: 0.1% 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 %
NevadaSummer visitorMar 8-14May 1-7Sep 15-2117%
UtahSummer visitorMar 8-14May 8-14Sep 1-715%
IdahoSummer visitorMar 15-21May 15-21Aug 15-2112%
NebraskaSummer visitorMar 15-21Apr 22-30Sep 8-147.1%
KansasSummer visitorMar 15-21Apr 15-21Oct 8-144.2%
South DakotaSummer visitorMar 22-31May 1-7Aug 22-3117%
CaliforniaSummer visitorMar 22-31May 1-7Oct 1-71.7%
MontanaSummer visitorApr 1-7May 8-14Aug 15-2116%
WyomingSummer visitorApr 1-7May 1-7Sep 1-711%
ColoradoSummer visitorApr 1-7Apr 22-30Sep 22-307.0%
OregonSummer visitorApr 1-7May 22-31Aug 15-216.5%
OklahomaPasses throughApr 1-7Apr 15-21May 8-143.5%
WashingtonSummer visitorApr 1-7May 15-21Jul 1-74.2%
North DakotaSummer visitorApr 8-14Jun 8-14Aug 1-724%
IowaSummer visitorApr 8-14May 22-31Aug 1-73.1%
MinnesotaSummer visitorApr 8-14Jun 1-7Aug 1-74.9%
WisconsinSummer visitorApr 15-21Jun 1-7Aug 15-212.5%
OhioPasses throughApr 22-30May 8-14Jun 1-71.1%
ArizonaSummer visitorJun 15-21Sep 8-14May 8-148.2%
New MexicoSummer visitorJul 1-7Sep 8-14Oct 15-217.3%
TexasSummer visitorDec 22-31Apr 22-30May 22-312.1%

Summer visitor in: Arizona, New Mexico, Texas