Rare Birds in Pennsylvania
Our list for Pennsylvania has 75 rare birds recorded regularly there: 8 residents, 13 summer visitors, 19 winter visitors, 31 passage migrants and 4 scarce visitors
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 75, most common first
Pacific LoonGavia pacificaScarceRare58–74 cmRegularly May
Franklin's GullLeucophaeus pipixcanPassage migrantRare32–36 cmRegularly Aug–Nov
Black-headed GullChroicocephalus ridibundusPassage migrantRare38–44 cmRegularly Mar–Apr
Arctic JaegerStercorarius parasiticusPassage migrantRare41–46 cmRegularly Sep–Nov
ChukarAlectoris chukarWinter visitorRare32–38 cmRegularly Jun–Apr
Sabine's GullXema sabiniPassage migrantRare27–33 cmRegularly Sep
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