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 · Oct
Share of all bird records in Pennsylvania in October, 2019–2024. Each month links to that month’s page.
All 72, most common first
BobolinkDolichonyx oryzivorusSummer visitorUncommon16–20 cmRegularly May–Oct
Bonaparte's GullChroicocephalus philadelphiaWinter visitorUncommon28–38 cmRegularly Sep–May
Semipalmated PloverCharadrius semipalmatusSummer visitorUncommon17–19 cmRegularly May–Oct
Greater YellowlegsTringa melanoleucaPassage migrantUncommon29–40 cmRegularly Mar–Nov
Peregrine FalconFalco peregrinusResidentUncommon34–58 cmRecorded all year
Philadelphia VireoVireo philadelphicusPassage migrantUncommon11–13 cmRegularly May–Oct
Sand MartinRiparia ripariaSummer visitorUncommon12–14 cmRegularly Apr–Sep
Common PheasantPhasianus colchicusWinter visitorUncommon50–90 cmRegularly Oct–Aug
Golden EagleAquila chrysaetosWinter visitorUncommon66–102 cmRegularly Oct–Mar
Red-headed WoodpeckerMelanerpes erythrocephalusResidentUncommon19–23 cmRecorded all year
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Mar–Nov
Marsh WrenCistothorus palustrisSummer visitorUncommon10–14 cmRegularly Apr–Feb
Cackling GooseBranta hutchinsiiWinter visitorUncommon53–76 cmRegularly Oct–Mar
Black-billed CuckooCoccyzus erythropthalmusSummer visitorUncommon28–32 cmRegularly May–Sep
Alder FlycatcherEmpidonax alnorumSummer visitorUncommon13–17 cmRegularly May–Aug
Long-tailed DuckClangula hyemalisWinter visitorUncommon37–60 cmRegularly Oct–Apr
Evening GrosbeakHesperiphona vespertinaWinter visitorUncommon16–22 cmRegularly Oct–May
Yellow-bellied FlycatcherEmpidonax flaviventrisPassage migrantUncommon13–15 cmRegularly May–Sep
Barred OwlStrix variaResidentUncommon43–50 cmRecorded all year
DunlinCalidris alpinaPassage migrantUncommon16–22 cmRegularly Apr–Nov
Gray-cheeked ThrushCatharus minimusPassage migrantUncommon16–17 cmRegularly May–Oct
Sandhill CraneAntigone canadensisResidentUncommon80–122 cmRecorded all year
Snow BuntingPlectrophenax nivalisWinter visitorUncommon15–18 cmRegularly Oct–Feb
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