Snowy Owl
Laughing Gull
Hooded Merganser
Yellow-throated Warbler
Black-and-white Warbler
Belted Kingfisher
Eastern Kingbird
Bay-breasted Warbler
American Robin
Northern Saw-whet-owl
Horned Grebe
Ring-necked Duck
Northern Shoveler
Purple Martin
Black-bellied Plover
Grasshopper Sparrow
Black-crowned Night-Heron
Northern Harrier
Prairie Warbler
Horned Lark
Scarlet Tanager
Northern Parula
Ring-necked Pheasant
Hudsonian Godwit
Eastern Meadowlark
Magnolia Warbler
Broad-winged Hawk
Blue-gray Gnatcatcher
Rose-breasted Grosbeak
Hooded Warbler
American Goldfinch


Welcome to the Pennsylvania Society for Ornithology – a group of birders from across the commonwealth devoted to birding and wild bird conservation.

Our members range from neophyte birders to professional ornithologists.

All are welcome!



2022 PSO Annual Meeting in Lancaster County – Sept 16-18.
Meeting will take place at the Middle Creek Wildlife Management Area Visitors Center.


PSO Webinars now available at



 County Spotlight


The PSO is highlighting counties across the state to explore its hotspots and find as many birds as we can.

On Oct 14-17, 2022, join us as we lead a concentrated effort to bird Cameron County!