North America
- 181
- Whitefish Point Bird Observatory
- Spring and fall sightings databases, stewardship, visitor's guide, bird articles, and research and education programs.
- 182
- Hawk Ridge Nature Reserve
- Fall hawk watching site in Duluth. Events, count results, abundance graphs, research and educational programs, and raptor guide.
- 184
- Minnesota's Pine To Prairie Birding Trail
- Site guides to 43 Northwestern Minnesota hotspots, checklists, and photo gallery.
- 185
- Raptor Center at the University of Minnesota
- Specializes in the medical care, rehabilitation, and conservation of eagles, hawks, owls, and falcons.
- 186
- Terry Brashear's Birding in Minnesota
- Photo gallery and site guide to Rice Creek West Regional Trail.
- 190
- Owl Research Institute
- Owl conservation group based at the Ninepipes Wildlife Research Center. Research and education projects, news, and identification guide to North American owls.
- 191
- Great Basin Bird Observatory
- Nevada Breeding Bird Atlas project, events, bird sightings, and site guides for Churchill and Washoe counties.
- 196
- Cape May Birds and Birding
- Sightings, hawkwatch and seawatch results, overview of hotspots, and field trips.
- 197
- Friends of Bosque del Apache NWR
- Information about the refuge and the Festival of the Cranes, an annual event held in November.
- 198
- New Mexico Birdwatching Hotspots
- Lots of birding information, including events, tours, and resources.