WhenToBird

Setophaga americana · Parulidae

Northern Parula: When and Where to See It

Adult Northern Parula
Photo: Terry Woodward, CC BY 4.0 via iNaturalist

The Northern Parula reaches Louisiana first, around late February, and Minnesota last, around early 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.

Embed this map on your site

0%5%10%15%Jan 1-7: 0.2% of 1114036 checklistsJan 8-14: 0.2% of 824708 checklistsJan 15-21: 0.3% of 825978 checklistsJan 22-31: 0.2% of 1105853 checklistsFeb 1-7: 0.3% of 779772 checklistsFeb 8-14: 0.4% of 864504 checklistsFeb 15-21: 0.7% of 1127933 checklistsFeb 22-28: 1.4% of 840124 checklistsMar 1-7: 1.8% of 839610 checklistsMar 8-14: 2.2% of 870138 checklistsMar 15-21: 2.5% of 898456 checklistsMar 22-31: 3.2% of 1335637 checklistsApr 1-7: 4.1% of 1030617 checklistsApr 8-14: 5.2% of 1124024 checklistsApr 15-21: 6.6% of 1194575 checklistsApr 22-30: 8.6% of 1675723 checklistsMay 1-7: 13% of 1449080 checklistsMay 8-14: 14% of 1538353 checklistsMay 15-21: 11% of 1219898 checklistsMay 22-31: 5.9% of 1452282 checklistsJun 1-7: 4.9% of 900636 checklistsJun 8-14: 4.6% of 829907 checklistsJun 15-21: 4.5% of 773255 checklistsJun 22-30: 4.2% of 916255 checklistsJul 1-7: 3.6% of 717733 checklistsJul 8-14: 2.8% of 658223 checklistsJul 15-21: 1.8% of 638752 checklistsJul 22-31: 1.2% of 895727 checklistsAug 1-7: 1.0% of 655651 checklistsAug 8-14: 1.2% of 650038 checklistsAug 15-21: 1.5% of 654639 checklistsAug 22-31: 2.3% of 974928 checklistsSep 1-7: 4.0% of 765914 checklistsSep 8-14: 5.8% of 738674 checklistsSep 15-21: 7.0% of 750433 checklistsSep 22-30: 6.3% of 944196 checklistsOct 1-7: 5.1% of 760106 checklistsOct 8-14: 3.3% of 793131 checklistsOct 15-21: 1.9% of 728727 checklistsOct 22-31: 1.0% of 959954 checklistsNov 1-7: 0.5% of 709464 checklistsNov 8-14: 0.4% of 693424 checklistsNov 15-21: 0.3% of 653952 checklistsNov 22-30: 0.3% of 871137 checklistsDec 1-7: 0.3% of 627591 checklistsDec 8-14: 0.2% of 642427 checklistsDec 15-21: 0.2% of 775638 checklistsDec 22-31: 0.3% 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 visitorFeb 22-28Apr 1-7Oct 15-2116%
FloridaAll year, most in springMar 1-7Apr 22-30Jun 15-2131%
South CarolinaSummer visitorMar 1-7Apr 22-30Oct 15-2127%
GeorgiaSummer visitorMar 1-7Apr 22-30Oct 8-1421%
MississippiSummer visitorMar 1-7Apr 1-7Oct 8-1418%
AlabamaSummer visitorMar 1-7Apr 1-7Oct 8-1417%
TexasPasses throughMar 8-14Apr 8-14May 8-148.7%
North CarolinaSummer visitorMar 15-21Apr 22-30Oct 15-2127%
ArkansasSummer visitorMar 15-21Apr 15-21Sep 22-3024%
TennesseeSummer visitorMar 15-21Apr 15-21Oct 1-723%
KentuckySummer visitorMar 22-31Apr 22-30Sep 22-3027%
MissouriSummer visitorMar 22-31Apr 22-30Sep 15-2127%
OklahomaSummer visitorMar 22-31May 1-7Jul 8-1411%
IndianaSummer visitorApr 1-7May 1-7Sep 22-3022%
VirginiaSummer visitorApr 1-7May 1-7Jul 1-722%
KansasSummer visitorApr 1-7May 1-7Jul 8-1418%
IllinoisSummer visitorApr 1-7May 8-14Jul 8-1413%
District of ColumbiaPasses throughApr 8-14May 8-14Jul 8-1439%
MarylandSummer visitorApr 8-14May 8-14Oct 8-1426%
DelawareSummer visitorApr 8-14May 8-14Jun 1-719%
OhioPasses throughApr 8-14May 8-14May 22-3120%
West VirginiaSummer visitorApr 8-14May 1-7Jul 8-1414%
NebraskaSummer visitorApr 8-14May 8-14Jul 8-142.5%
Rhode IslandPasses throughApr 15-21May 8-14Jun 8-1423%
MassachusettsPasses throughApr 15-21May 8-14Jun 1-722%
New JerseySummer visitorApr 15-21May 8-14Jun 1-722%
ConnecticutPasses throughApr 15-21May 8-14Jun 1-719%
New YorkSummer visitorApr 15-21May 8-14Jul 8-1417%
PennsylvaniaPasses throughApr 15-21May 8-14Jul 1-715%
IowaSummer visitorApr 15-21May 8-14Jul 8-149.0%
MaineSummer visitorApr 22-30May 15-21Sep 15-2132%
New HampshireSummer visitorApr 22-30May 8-14Jul 8-1416%
VermontSummer visitorApr 22-30May 15-21Jul 15-2110%
MichiganSummer visitorApr 22-30May 8-14Jul 8-149.6%
WisconsinPasses throughApr 22-30May 8-14Jul 8-147.3%
MinnesotaSummer visitorMay 1-7May 15-21Jul 8-144.5%