WhenToBird

Leiothlypis peregrina · Parulidae

Tennessee Warbler: When and Where to See It

Adult Tennessee Warbler
Photo: kcthetc1, CC0 1.0 via iNaturalist

The Tennessee Warbler reaches Louisiana first, around early April, and Montana last, around the second week of May.

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%8%Jan 1-7: 0.1% of 1114036 checklistsJan 8-14: 0.1% of 824708 checklistsJan 15-21: 0.1% of 825978 checklistsJan 22-31: 0.1% 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: 0.1% of 898456 checklistsMar 22-31: 0.1% of 1335637 checklistsApr 1-7: 0.1% of 1030617 checklistsApr 8-14: 0.5% of 1124024 checklistsApr 15-21: 1.2% of 1194575 checklistsApr 22-30: 2.1% of 1675723 checklistsMay 1-7: 3.9% of 1449080 checklistsMay 8-14: 6.8% of 1538353 checklistsMay 15-21: 7.4% of 1219898 checklistsMay 22-31: 2.0% 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: 0.2% of 650038 checklistsAug 15-21: 0.6% of 654639 checklistsAug 22-31: 2.1% of 974928 checklistsSep 1-7: 3.8% of 765914 checklistsSep 8-14: 4.7% of 738674 checklistsSep 15-21: 4.8% of 750433 checklistsSep 22-30: 4.9% of 944196 checklistsOct 1-7: 4.2% of 760106 checklistsOct 8-14: 2.9% of 793131 checklistsOct 15-21: 1.8% of 728727 checklistsOct 22-31: 0.9% of 959954 checklistsNov 1-7: 0.3% of 709464 checklistsNov 8-14: 0.2% 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 %
LouisianaSummer visitorApr 1-7Apr 22-30May 15-2110%
TexasPasses throughApr 1-7Apr 22-30May 8-1411%
ArkansasPasses throughApr 8-14May 1-7May 8-1414%
MississippiSummer visitorApr 8-14Apr 22-30May 15-217.3%
MissouriPasses throughApr 15-21May 8-14May 22-3123%
IllinoisSummer visitorApr 15-21May 8-14May 22-3118%
IndianaSummer visitorApr 15-21May 8-14May 22-3119%
KansasPasses throughApr 15-21May 8-14May 15-2112%
IowaPasses throughApr 22-30May 8-14Jun 1-722%
MinnesotaSummer visitorApr 22-30May 15-21Jun 1-719%
OhioSummer visitorApr 22-30May 8-14May 22-3115%
MichiganSummer visitorApr 22-30May 15-21Jun 1-711%
NebraskaPasses throughApr 22-30May 8-14May 22-3110%
OklahomaPasses throughApr 22-30May 8-14May 15-213.3%
North DakotaPasses throughMay 1-7May 15-21Jun 1-719%
South DakotaPasses throughMay 1-7May 15-21May 22-3111%
New YorkSummer visitorMay 1-7May 15-21Jun 1-76.2%
MassachusettsSummer visitorMay 1-7May 15-21Jun 1-72.7%
Rhode IslandPasses throughMay 1-7May 15-21May 22-311.3%
MontanaPasses throughMay 8-14May 22-31Jul 1-71.1%
MarylandPasses throughJul 22-31Sep 15-21Nov 22-304.8%
WisconsinSummer visitorAug 8-14Sep 8-14Oct 8-1416%
ConnecticutSummer visitorAug 8-14Sep 15-21Nov 8-142.2%
MaineSummer visitorAug 8-14Sep 8-14Oct 1-72.5%
District of ColumbiaSummer visitorAug 15-21Sep 22-30Oct 22-319.0%
VermontPasses throughAug 15-21Sep 8-14Oct 1-76.2%
New HampshirePasses throughAug 15-21Sep 8-14Oct 8-143.8%
New JerseySummer visitorAug 15-21Sep 15-21Oct 22-313.3%
TennesseePasses throughAug 22-31Oct 1-7Oct 22-3122%
North CarolinaPasses throughAug 22-31Sep 22-30Oct 15-2111%
West VirginiaPasses throughAug 22-31Sep 15-21Oct 15-219.0%
PennsylvaniaSummer visitorAug 22-31Sep 15-21Oct 15-215.9%
DelawarePasses throughAug 22-31Sep 15-21Oct 8-143.1%
VirginiaPasses throughAug 22-31Sep 15-21Oct 8-144.6%
GeorgiaPasses throughSep 1-7Oct 1-7Oct 22-3112%
FloridaPasses throughSep 1-7Oct 8-14Nov 22-305.5%
South CarolinaPasses throughSep 8-14Oct 8-14Oct 22-313.3%
KentuckyWinter visitorAug 22-31Oct 1-7Oct 15-2118%
AlabamaWinter visitorAug 22-31Oct 1-7Nov 1-715%

Winter visitor in: Kentucky, Alabama

Passes through: Maryland, Vermont, New Hampshire, Tennessee, North Carolina, West Virginia, Delaware, Virginia, Georgia, Florida, South Carolina

Summer visitor in: Wisconsin, Connecticut, Maine, District of Columbia, New Jersey, Pennsylvania