New World Warblers in Pennsylvania
Our list for Pennsylvania has 19 new world warblers recorded regularly there: 11 summer visitors, 2 winter visitors and 6 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Pennsylvania in October, 2019–2024. Each month links to that month’s page.
All 19, most common first
Common YellowthroatGeothlypis trichasSummer visitorCommon11–13 cmRegularly Apr–Oct
Yellow-rumped WarblerSetophaga coronataWinter visitorCommon12–15 cmRegularly Sep–May
Northern Yellow WarblerSetophaga aestivaSummer visitorCommon12–13 cmRegularly Apr–Sep
OvenbirdSeiurus aurocapillaSummer visitorCommon12–15 cmRegularly Apr–Sep
American RedstartSetophaga ruticillaSummer visitorCommon11–14 cmRegularly May–Oct
Magnolia WarblerSetophaga magnoliaSummer visitorCommon11–13 cmRegularly May–Oct
Black-throated Green WarblerSetophaga virensSummer visitorCommon11–12 cmRegularly Apr–Oct
Palm WarblerSetophaga palmarumPassage migrantCommon12–14 cmRegularly Apr–Nov
Cape May WarblerSetophaga tigrinaPassage migrantUncommon12–14 cmRegularly May–Oct
Chestnut-sided WarblerSetophaga pensylvanicaSummer visitorUncommon10–14 cmRegularly May–Oct
Black-throated Blue WarblerSetophaga caerulescensSummer visitorUncommon11–13 cmRegularly Apr–Oct
Bay-breasted WarblerSetophaga castaneaPassage migrantUncommon14–14 cmRegularly May–Oct
Tennessee WarblerLeiothlypis peregrinaPassage migrantUncommon10–13 cmRegularly May–Oct
Blackpoll WarblerSetophaga striataPassage migrantUncommon13–15 cmRegularly May–Oct
Nashville WarblerLeiothlypis ruficapillaPassage migrantUncommon11–13 cmRegularly Apr–Oct
Northern WaterthrushParkesia noveboracensisSummer visitorUncommon12–15 cmRegularly Apr–Sep
Orange-crowned WarblerLeiothlypis celataWinter visitorRare11–14 cmRegularly Sep–May
Prothonotary WarblerProtonotaria citreaSummer visitorRare13–14 cmRegularly Apr–Aug
Mourning WarblerGeothlypis philadelphiaSummer visitorRare10–15 cmRegularly May–Oct
Smallest to largest
Length, cm- Black-throated Green Warbler 11–12 cm
- Tennessee Warbler 10–13 cm
- Common Yellowthroat 11–13 cm
- Magnolia Warbler 11–13 cm
- Chestnut-sided Warbler 10–14 cm
- Black-throated Blue Warbler 11–13 cm
- Nashville Warbler 11–13 cm
- Northern Yellow Warbler 12–13 cm
- American Redstart 11–14 cm
- Orange-crowned Warbler 11–14 cm
- Mourning Warbler 10–15 cm
- Palm Warbler 12–14 cm
- Cape May Warbler 12–14 cm
- Yellow-rumped Warbler 12–15 cm
- Ovenbird 12–15 cm
- Northern Waterthrush 12–15 cm
- Prothonotary Warbler 13–14 cm
- Bay-breasted Warbler 14–14 cm
- Blackpoll Warbler 13–15 cm
Body length, bill to tail. Rare birds in grey.
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made