North America
- 141
- IdahoBirds
- An online resource for wild birds and birding in Idaho, including checklist, bird reports, photos, identification resources, bird distributions, events, and links.
- 142
- Birding in Illinois
- Bird checklist, maps, rare bird alerts, information about tours and guides, and links to birdwatching sites in Illinois.
- 143
- Evanston North Shore Bird Club
- Located in north suburban Chicago. Field trips, meetings, and photos.
- 144
- Illinois Audubon Society
- An independent conservation organization founded in 1897. Events calendar, backyard nature section, educational resources, profiles of several common bird species, and information about sanctuaries and local chapters.
- 145
- Illinois Ornithological Society
- Information on field trips for birders, bird alerts, and the Illinois Ornithological Records Committee.
- 147
- Birds of Madison County
- Photographs and notes of birds and other wildlife in Madison County and beyond.
- 148
- Soarin' Hawk Raptor Rehabilitation
- Raptor rehabilitation center in Allen County, serving northeast Indiana.
- 150
- Iowa Birds and Birding
- Iowa Ornithologists' Union site with rare bird alerts, Iowa Records Committee, checklists, guide to birding Iowa, IA-BIRD e-mail group, and quizzes.
- 151
- Kansas Ornithological Society
- Checklists, newsletters, meetings, Kansas Bird Records Committee, and projects.
- 152
- Beckham Bird Club
- Features details of monthly meetings, field trips, a newsletter, and a membership application. Located in Louisville.
- 153
- Louisiana Ornithological Society
- Birds and birding in Louisiana. State checklist, Louisiana Bird Records Committee, newsletter archives with excellent identification articles, online store, meetings, pelagic trips, and rare bird alert.
- 157
- Baltimore Bird Club
- Rare bird alerts, newsletters, site guides, trip reports, checklist, backyard birding, and many links.
- 158
- Harford Bird Club
- Newsletters, field trips, checklists, count results, and a site guide for Conowingo Dam.