Uncommon Birds in Pennsylvania
Our list for Pennsylvania has 72 uncommon birds recorded regularly there: 7 residents, 18 summer visitors, 31 winter visitors and 16 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 72, most common first
VeeryCatharus fuscescensSummer visitorUncommon16–19 cmRegularly May–Sep
Cape May WarblerSetophaga tigrinaPassage migrantUncommon12–14 cmRegularly May–Oct
Chestnut-sided WarblerSetophaga pensylvanicaSummer visitorUncommon10–14 cmRegularly May–Oct
Sharp-shinned HawkAccipiter striatusWinter visitorUncommon24–34 cmRegularly Aug–May
American Tree SparrowSpizelloides arboreaWinter visitorUncommon14–17 cmRegularly Nov–Mar
Eurasian TealAnas creccaWinter visitorUncommon34–38 cmRegularly Aug–Apr
Pied-billed GrebePodilymbus podicepsWinter visitorUncommon31–38 cmRegularly Aug–May
Blue-headed VireoVireo solitariusSummer visitorUncommon12–15 cmRegularly Apr–Oct
Least SandpiperCalidris minutillaPassage migrantUncommon13–15 cmRegularly May–Oct
Willow FlycatcherEmpidonax trailliiSummer visitorUncommon13–17 cmRegularly May–Aug
Black-throated Blue WarblerSetophaga caerulescensSummer visitorUncommon11–13 cmRegularly Apr–Oct
GadwallMareca streperaWinter visitorUncommon46–56 cmRegularly Oct–Apr
Bay-breasted WarblerSetophaga castaneaPassage migrantUncommon14–14 cmRegularly May–Oct
Broad-winged HawkButeo platypterusSummer visitorUncommon34–44 cmRegularly Apr–Oct
Hermit ThrushCatharus guttatusResidentUncommon14–18 cmRecorded all year
Snow GooseAnser caerulescensWinter visitorUncommon69–84 cmRegularly Oct–Apr
Purple MartinProgne subisSummer visitorUncommon18–20 cmRegularly Apr–Aug
Tennessee WarblerLeiothlypis peregrinaPassage migrantUncommon10–13 cmRegularly May–Oct
Solitary SandpiperTringa solitariaPassage migrantUncommon19–23 cmRegularly Apr–Oct
Fox SparrowPasserella iliacaWinter visitorUncommon15–19 cmRegularly Oct–Apr
Swainson's ThrushCatharus ustulatusPassage migrantUncommon16–20 cmRegularly May–Oct
Lesser YellowlegsTringa flavipesPassage migrantUncommon23–27 cmRegularly Apr–Oct
Pine SiskinSpinus pinusWinter visitorUncommon11–14 cmRegularly Oct–May
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