WhenToBird

Setophaga palmarum · Parulidae

Palm Warbler: When and Where to See It

Adult Palm Warbler
Photo: Sean Frey, CC BY 4.0 via iNaturalist

The Palm Warbler reaches Vermont first, around late August, and Louisiana last, around late September.

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%5%10%Jan 1-7: 3.5% of 1114036 checklistsJan 8-14: 3.8% of 824708 checklistsJan 15-21: 3.9% of 825978 checklistsJan 22-31: 3.8% of 1105853 checklistsFeb 1-7: 3.7% of 779772 checklistsFeb 8-14: 3.3% of 864504 checklistsFeb 15-21: 2.8% of 1127933 checklistsFeb 22-28: 3.3% of 840124 checklistsMar 1-7: 2.9% of 839610 checklistsMar 8-14: 2.7% of 870138 checklistsMar 15-21: 2.4% of 898456 checklistsMar 22-31: 2.4% of 1335637 checklistsApr 1-7: 3.1% of 1030617 checklistsApr 8-14: 4.5% of 1124024 checklistsApr 15-21: 5.4% of 1194575 checklistsApr 22-30: 7.5% of 1675723 checklistsMay 1-7: 8.9% of 1449080 checklistsMay 8-14: 6.2% of 1538353 checklistsMay 15-21: 2.5% of 1219898 checklistsMay 22-31: 0.3% of 1452282 checklistsJun 1-7: 0.1% of 900636 checklistsJun 8-14: 0.1% of 829907 checklistsJun 15-21: 0.1% of 773255 checklistsJun 22-30: 0.1% of 916255 checklistsJul 1-7: 0.1% of 717733 checklistsJul 8-14: 0.1% of 658223 checklistsJul 15-21: 0.1% of 638752 checklistsJul 22-31: 0.1% of 895727 checklistsAug 1-7: 0.1% of 655651 checklistsAug 8-14: 0.1% of 650038 checklistsAug 15-21: 0.1% of 654639 checklistsAug 22-31: 0.2% of 974928 checklistsSep 1-7: 0.9% of 765914 checklistsSep 8-14: 2.5% of 738674 checklistsSep 15-21: 4.5% of 750433 checklistsSep 22-30: 7.0% of 944196 checklistsOct 1-7: 9.0% of 760106 checklistsOct 8-14: 9.6% of 793131 checklistsOct 15-21: 9.0% of 728727 checklistsOct 22-31: 6.6% of 959954 checklistsNov 1-7: 4.5% of 709464 checklistsNov 8-14: 3.9% of 693424 checklistsNov 15-21: 3.8% of 653952 checklistsNov 22-30: 3.9% of 871137 checklistsDec 1-7: 4.0% of 627591 checklistsDec 8-14: 3.9% of 642427 checklistsDec 15-21: 3.7% of 775638 checklistsDec 22-31: 4.0% 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 %
MissouriPasses throughMar 15-21Apr 22-30May 22-319.3%
IllinoisSummer visitorMar 22-31May 1-7Jun 1-729%
OhioPasses throughMar 22-31May 1-7Jun 1-721%
IndianaPasses throughMar 22-31May 1-7Jun 1-717%
MassachusettsSummer visitorMar 22-31Apr 15-21May 15-2115%
ArkansasPasses throughMar 22-31Apr 22-30May 15-212.3%
KentuckySummer visitorApr 1-7Apr 22-30May 15-2111%
MaineSummer visitorApr 1-7Apr 22-30Jul 22-3112%
WisconsinSummer visitorApr 15-21May 8-14May 22-3121%
MinnesotaPasses throughApr 15-21May 8-14May 22-3119%
IowaPasses throughApr 15-21May 1-7May 15-2113%
MichiganSummer visitorApr 15-21May 8-14May 22-3115%
NebraskaPasses throughApr 15-21May 1-7May 15-212.6%
KansasPasses throughApr 15-21Apr 22-30May 15-212.5%
North DakotaPasses throughApr 22-30May 8-14May 22-318.1%
South DakotaPasses throughApr 22-30May 8-14May 15-213.6%
West VirginiaPasses throughSep 1-7Oct 1-7Oct 15-2112%
TennesseeSummer visitorSep 8-14Apr 22-30May 15-2113%
AlabamaSummer visitorSep 15-21Apr 15-21May 8-1414%
VermontWinter visitorAug 22-31Oct 1-7Oct 22-316.4%
New JerseyWinter visitorSep 1-7Oct 8-14Nov 22-3022%
ConnecticutWinter visitorSep 1-7Oct 8-14Dec 1-718%
MarylandWinter visitorSep 1-7Oct 8-14Jan 1-714%
New HampshireWinter visitorSep 1-7Oct 1-7Nov 8-1414%
New YorkWinter visitorSep 1-7Oct 8-14Nov 8-1413%
DelawareWinter visitorSep 1-7Oct 8-14Jan 1-712%
PennsylvaniaWinter visitorSep 1-7Oct 8-14Jan 15-2111%
Rhode IslandWinter visitorSep 1-7Oct 8-14Dec 8-1412%
VirginiaWinter visitorSep 1-7Oct 8-14Feb 1-711%
District of ColumbiaWinter visitorSep 8-14Oct 8-14Nov 22-3019%
GeorgiaWinter visitorSep 8-14Oct 15-21May 1-717%
South CarolinaWinter visitorSep 8-14Oct 8-14Apr 15-2115%
North CarolinaWinter visitorSep 8-14Oct 8-14May 1-715%
FloridaWinter visitorSep 15-21Nov 1-7Apr 1-753%
MississippiWinter visitorSep 15-21Oct 15-21Apr 22-306.6%
LouisianaWinter visitorSep 22-30Dec 15-21Apr 8-145.9%

Passes through: Missouri, Ohio, Indiana, Arkansas, Minnesota, Iowa, Nebraska, Kansas, North Dakota, South Dakota

Summer visitor in: Illinois, Massachusetts, Kentucky, Maine, Wisconsin, Michigan, Tennessee, Alabama