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


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! 



Birding Festival and Annual Meeting


May 19 - 21, 2023


State College PA 



PSO Webinars now available at


Join us for the next webinar in our PSO Educational Series on Monday, March 27 at 7:00 pm.

We will hear from Dean Rust, President of the Bluebird Society of Pennsylvania, who will fill you in on everything you need to know about bluebirds!

The webinar is free and open to everyone, but registration is required. Register now at:

7 PSO Webinar BSP



 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!