Environment
- 742
- Golden Triangle Audubon Society
- Meets in Beaumont. Calendar of events, bird alerts, newsletters, count results, and trip reports.
- 744
- San Antonio Audubon Society
- Includes birding section with sites, checklist, sightings, specialty birds, and photos; meetings; field trips; membership information; and newsletter articles.
- 746
- Missouri Breaks Audubon Society
- Based in Pierre. Newsletter, events, bird count results, and chapter information.
- 748
- Charleston Natural History Society
- Meeting, projects, field trips, birding the Charleston area, and bird count results.
- 750
- Allegheny Plateau Audubon Society
- Based in Summerhill. Programs, outings, Dunning Creek wetlands information and bird list, hawk watch results, and other projects.
- 751
- Audubon Society of Western Pennsylvania
- Serves the Pittsburgh area. Beechwood Farms Nature Reserve, Todd Sanctuary, education programs, Audubon Nature Store, Audubon Center for Native Plants, and volunteer opportunities.
- 753
- Presque Isle Audubon Society
- Serves the Erie area. Meetings, field trips, newsletter, conservation, and bird sightings.
- 755
- Audubon Society of Corvallis
- Field trips, meetings, conservation and education programs, Bluebird nest box trail, bird field notes, and bird counts.