Photo gallery and journal by a birding teen.

Virtual hawkwatching tour.

Meetings, field trips, and Rose Tree Park HawkWatch.

Founded in 1890, meets at Academy of Natural Sciences in Philadelphia. Programs, field trips, and conservation sites.

Photos of rarities in east-central Pennsylvania and from other birding adventures by Dave DeReamus.

One of the best sites in the US for viewing fall migrant raptors. News and events, visitor guide, virtual tour, publications, and programs.

Central Pennsylvania Birdline, hawk watch results, and photos and descriptions of rarities.

Seasonal checklists for Erie NWR and John Heinz NWR.

Searchable archives of the bird discussion list for Pennsylvania.

Recent transcripts of 6 RBAs from different areas of the state.

Web cam of a falcon nest at the Rachel Carson State Office Building in Harrisburg. Includes history of this site, photo gallery, and links.

Exceptional close-up photos and information about banding birds at the Powdermill Nature Reserve in Westmoreland County.

Overview of bird research at this biological field station of the Carnegie Museum of Natural History.

Serves the State College, Centre County area. Schedule of events, hotspots, breeding bird atlas, rare bird alerts, and birding resources.

Photo gallery and data from Rothrock State Forest near State College.

Birds and birding in northern Pennsylvania and southern New York state. Sections for Bradford and Tioga counties, PA, and Broome, Chemung, Schuyler, Steuben, and Tioags counties, NY.

Sightings and events.

Programs and field trips.

Overview, sightings, list of birding spots, and links.