Birding spots · Pennsylvania
Best Birding Spots in Delaware County, Pennsylvania
John Heinz National Wildlife Refuge at Tinicum (Long Hook Creek) leads Delaware County's birding spots with 195 species reported, best in spring. 74 spots in the county have enough data to rank.
Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.