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


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!