WhenToBird

Setophaga tigrina · Parulidae

Cape May Warbler: When and Where to See It

Adult male Cape May Warbler
Photo: Mike Mulqueen, CC0 1.0 via iNaturalist

The Cape May Warbler reaches Maryland first, around early August, and South Carolina last, around late August.

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%1%2%3%4%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: 0.2% of 1124024 checklistsApr 15-21: 0.7% of 1194575 checklistsApr 22-30: 1.4% of 1675723 checklistsMay 1-7: 2.6% of 1449080 checklistsMay 8-14: 3.5% of 1538353 checklistsMay 15-21: 2.3% of 1219898 checklistsMay 22-31: 0.4% 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: 1.5% of 974928 checklistsSep 1-7: 2.4% of 765914 checklistsSep 8-14: 3.2% of 738674 checklistsSep 15-21: 3.3% of 750433 checklistsSep 22-30: 3.1% of 944196 checklistsOct 1-7: 2.5% of 760106 checklistsOct 8-14: 1.7% of 793131 checklistsOct 15-21: 0.9% of 728727 checklistsOct 22-31: 0.4% 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: 0.1% 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 %
FloridaSummer visitorMar 15-21Apr 22-30May 15-2110%
AlabamaPasses throughApr 8-14Apr 22-30May 1-72.7%
OhioSummer visitorApr 15-21May 8-14Jun 1-79.9%
KentuckyPasses throughApr 15-21May 8-14May 15-215.9%
TexasPasses throughApr 15-21Apr 22-30May 1-71.2%
MinnesotaSummer visitorMay 1-7May 15-21Jun 15-212.9%
MassachusettsPasses throughMay 1-7May 8-14May 22-312.4%
North DakotaPasses throughMay 8-14May 15-21May 22-312.1%
MarylandSummer visitorAug 1-7Sep 15-21Nov 15-217.0%
PennsylvaniaPasses throughAug 1-7Sep 15-21Nov 22-307.1%
North CarolinaSummer visitorAug 8-14Sep 22-30Nov 15-2113%
VirginiaSummer visitorAug 8-14Sep 22-30Nov 8-149.7%
MichiganSummer visitorAug 8-14Sep 1-7Sep 22-305.5%
WisconsinPasses throughAug 8-14Sep 1-7Sep 22-305.6%
New HampshireSummer visitorAug 8-14Sep 8-14Oct 1-73.2%
Rhode IslandSummer visitorAug 8-14Sep 15-21Nov 15-212.7%
ConnecticutSummer visitorAug 8-14Sep 8-14Oct 22-312.1%
District of ColumbiaSummer visitorAug 15-21Sep 15-21Oct 22-3114%
West VirginiaPasses throughAug 15-21Sep 15-21Oct 8-1412%
IllinoisSummer visitorAug 15-21Sep 8-14Oct 1-76.7%
IndianaPasses throughAug 15-21Sep 15-21Oct 8-146.6%
New JerseySummer visitorAug 15-21Sep 15-21Oct 15-217.3%
New YorkSummer visitorAug 15-21Sep 8-14Oct 8-145.5%
TennesseeSummer visitorAug 15-21Sep 22-30Nov 8-145.5%
MainePasses throughAug 15-21Sep 8-14Oct 1-73.8%
VermontPasses throughAug 15-21Sep 8-14Oct 1-73.2%
IowaPasses throughAug 15-21Sep 8-14Sep 22-302.3%
DelawarePasses throughAug 22-31Sep 22-30Oct 8-145.7%
GeorgiaPasses throughDec 22-31Apr 22-30May 22-318.2%
South CarolinaWinter visitorAug 22-31Oct 1-7Jan 1-74.6%

Passes through: Alabama, Kentucky, Texas, Massachusetts, North Dakota, Georgia

Summer visitor in: Florida, Ohio, Minnesota