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


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!