North America
- 241
- John Scharff Migratory Bird Festival
- Annual event held the first full weekend in April in Burns, witnessing the spectacular spring migration in the Harney Basin of Southeast Oregon.
- 242
- Journal of Oregon Ornithology
- Archive of articles based on Oregon field studies of bird distribution, migration, and abundance.
- 247
- Birds (and Animals) Around Carnegie Mellon
- Weblog and photo gallery of birds and other animals in Pittsburgh.
- 248
- Eastern PA Birding
- Photos of rarities in east-central Pennsylvania and from other birding adventures by Dave DeReamus.
- 249
- Hawk Mountain Sanctuary
- Bird refuge offering opportunities to view migrating raptors. Site contains counts of sightings.
- 250
- McConaughy's Birding Page
- Central Pennsylvania Birdline, hawk watch results, and photos and descriptions of rarities.
- 252
- State College Bird Club
- Serves the State College, Centre County area. Schedule of events, hotspots, breeding bird atlas, rare bird alerts, and birding resources.
- 254
- Greenville County Bird Club
- Information about the group formed in 2000, including outings and projects, plus guides and links to favorite birding areas.
- 255
- Sun City Hilton Head Bird Club
- Based in Bluffton, this club features monthly meetings and weekly outings in season. Information about nearby birding locations, sightings, photos, and a checklist.
- 257
- Tennessee Ornithological Society
- Publications, events, conservation programs, site guides, count results, rare bird alert, and Tennessee Bird Records Committee.
- 258
- Chattanooga Chapter of TOS
- Non-profit organization devoted to the study of birds in southeast Tennessee and northern Georgia. Includes a list of officers, meeting information, membership details, field trips and a status report.