Pennsylvania Society for Ornithology (PSO) Posts - TopicsExpress

Here was a huge blackbird flock I saw friday evening around 5pm in
Here was a huge blackbird flock I saw friday evening around 5pm in last light, I pulled up my bins, saw this flock shifting around, then saw a peregri...

Birding field trips, excursions, surveys, adventures and
Birding field trips, excursions, surveys, adventures and more. Chad Kauffman & committee Here are the field trips we have on the books. Please consid...