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


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! 



New webinar:

PSO Educational Series: John Heinz National Wildlife Refuge at TinicumPSO Educational Series:

Monday, November 21, 2022 @ 7:00 pm - 8:00 pm

Join us online to learn what makes a birding trip to the John Heinz National Wildlife Refuge at Tinicum such a memorable experience!

Celebrated as America's First Urban Refuge, Biologist Garrett White will detail the biology program at the refuge, highlighting current habitat restoration initiatives, ongoing research projects, and ways you can help.
The webinar is free, but registration is required in advance. To register, please visit: https://psu.zoom.us/webinar/register/WN_scUtg9c1RzSOVGNS3TTCPQ


5 PSO Webinar White 


PSO Webinars now available at https://www.youtube.com/channel/UCQ1nUGEm9fl4zr0XKTiayqw


 County Spotlight

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

On March 17-20, 2023, join us as we lead a concentrated effort to bird Columbia County!