WhenToBird

Geothlypis formosa · Parulidae

Kentucky Warbler: When and Where to See It

Adult Kentucky Warbler
Photo: John Rosford, CC BY 4.0 via iNaturalist

The Kentucky Warbler reaches Mississippi first, around early April, and Virginia 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.

Embed this map on your site

0%0.5%1%1.5%Jan 1-7: 0% of 1114036 checklistsJan 8-14: 0% of 824708 checklistsJan 15-21: 0% of 825978 checklistsJan 22-31: 0% of 1105853 checklistsFeb 1-7: 0% of 779772 checklistsFeb 8-14: 0% of 864504 checklistsFeb 15-21: 0% of 1127933 checklistsFeb 22-28: 0% 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: 0.4% of 1124024 checklistsApr 15-21: 0.8% of 1194575 checklistsApr 22-30: 1.1% of 1675723 checklistsMay 1-7: 1.2% of 1449080 checklistsMay 8-14: 1.1% of 1538353 checklistsMay 15-21: 1.0% of 1219898 checklistsMay 22-31: 0.8% of 1452282 checklistsJun 1-7: 0.7% of 900636 checklistsJun 8-14: 0.7% of 829907 checklistsJun 15-21: 0.6% of 773255 checklistsJun 22-30: 0.5% of 916255 checklistsJul 1-7: 0.4% of 717733 checklistsJul 8-14: 0.3% of 658223 checklistsJul 15-21: 0.2% 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: 0.2% of 765914 checklistsSep 8-14: 0.2% of 738674 checklistsSep 15-21: 0.1% of 750433 checklistsSep 22-30: 0.1% of 944196 checklistsOct 1-7: 0.1% of 760106 checklistsOct 8-14: 0.1% of 793131 checklistsOct 15-21: 0.1% of 728727 checklistsOct 22-31: 0.1% of 959954 checklistsNov 1-7: 0.1% 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% of 775638 checklistsDec 22-31: 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 %
MississippiSummer visitorApr 1-7Apr 22-30Jun 22-308.8%
AlabamaSummer visitorApr 1-7May 1-7Sep 15-216.9%
LouisianaSummer visitorApr 1-7Apr 15-21Jul 1-75.1%
TexasPasses throughApr 1-7Apr 15-21May 1-73.7%
ArkansasSummer visitorApr 8-14Jun 1-7Jul 1-78.0%
TennesseeSummer visitorApr 8-14May 1-7Jul 1-77.5%
GeorgiaSummer visitorApr 8-14May 1-7Jun 22-303.7%
MissouriSummer visitorApr 15-21May 8-14Jul 8-1410%
KentuckySummer visitorApr 15-21May 8-14Jul 8-147.7%
IndianaSummer visitorApr 15-21May 8-14Jul 1-75.3%
IllinoisSummer visitorApr 15-21May 8-14Jul 1-72.0%
North CarolinaSummer visitorApr 15-21May 8-14Jul 1-71.5%
OklahomaSummer visitorApr 15-21May 8-14Jun 22-301.7%
South CarolinaSummer visitorApr 15-21May 1-7Jun 22-301.6%
KansasPasses throughApr 22-30May 8-14Jul 1-73.6%
West VirginiaPasses throughApr 22-30May 8-14Jun 22-304.4%
DelawareSummer visitorApr 22-30May 8-14Jul 8-141.7%
IowaPasses throughApr 22-30May 15-21Jul 1-71.3%
MarylandSummer visitorApr 22-30May 15-21Jul 1-72.2%
OhioSummer visitorApr 22-30May 22-31Jul 1-71.9%
VirginiaSummer visitorApr 22-30May 8-14Jul 1-71.5%