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


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!