Allen Bird Club: Based in Springfield. Meetings, field trips, trip reports, and list of birding spots.
Andrew Joslin's Natural History Journal: Photo gallery.
Athol Bird and Nature Club: Events, bird count results, trip reports, and Millers River Environmental Center.
Bird Checklists: Checklists for the state and 12 refuges in Massachusetts.
Bird Watcher's General Store: Shop and Cape Cod birding articles.
Birding Break: Monomoy NWR, Chatham: Virtual tour of Monomoy National Wildlife Refuge on Cape Cod in search of shorebirds during autumn migration.
Birding Break: Mount Auburn Cemetery, Cambridge: Virtual tour of one of the Northeast's leading hotspots for spring migration.
Birding in Massachusetts: David Larson's site with the latest birding news, articles, and photographs of unusual birds.
Birding New England: Chuck Seggelin's site with Massachusetts birding spots, trip reports, yard birds, and recommended books.
Birds of Monomoy National Wildlife Refuge: Seasonal checklist.
Blackstone Valley Bird Banders: Features information and photos from the group's various banding projects.
Boston Birding: A personal site about birding in the metro area. Photos, lists, and links.
Brookline Bird Club: Oldest and largest birding club in Massachusetts. Field trips, trip reports, photos, and guide to local hotspots.
Cape Cod Bird Club: Field trips, meetings, bird count schedule, and sightings.
Central Massachusetts Bird Update: Latest sightings, sightings archive, and bird count results from central Massachusetts, mostly Worcester County. Also checklists for Institute Park, Broad Meadow Brook Wildlife Sanctuary, and Worcester County; events; birder's e-mail directory; and site guides to 24 Worcester hotspots.
Eastern Massachusetts Hawk Watch: Guide to watching hawks in Eastern Mass.
Elinor Miller's Birding Columns: Archive of column in the Cape Cod Times.
Flights, Flocks & Feathers: Birding sites, habitats, and raptor nesting behavior in the greater Boston area.
For The Birds Board: A message board for the sharing of information on birding and related topics, such as photography, optics, books, feeding, and identification problems. Also has live chat.
Forbush Bird Club: Based in Worcester. Calendar of events and trip reports.
Hampshire Bird Club: Based in Amherst. Field trips, photos, news, and programs.
Hoffmann Bird Club: Based in Berkshire County. Meetings and field trips.
Jason Forbes's Waltham Birding: Surveys, narratives, and local birding spots.
Manomet Landbird Research and Conservation: Basic information about Manomet's landbird and seabird programs.
Marj Rines's Birding Pages: Photo gallery and birding journal.
Mary Scott's Birding Massachusetts: Travelogue and photos of 4 birding sites.
Massachusetts Avian Records Committee: Evaluates rare bird records. State checklist, review list, reports, and suggestions for documentation.
Massachusetts Birding Links: Overview of Massachusetts birding and excellent list of links.
Massachusetts Bluebird Association: Dedicated to help recover and increase the population of the Eastern Bluebird, as well as other native cavity nesting birds in the state of Massachusetts.
MASSBIRD Info: Discussions of birds and birding in Massachusetts and southern New England. Unmoderated posts but supervised reports, discussion.
Natural Raptor Association: Hawk watch results, articles, and photos.
New England Birds Plus: Photo gallery by Phil Brown. Includes many rarities.
Northampton Bird Club: Birding group, photos of birds, sighting reports and counts, first records, and calendar of trips scheduled.
OnLocation: Cape Cod Shorebird Migration: Virtual tour of Monomoy NWR on Cape Cod in search of 3 species of godwits and other shorebirds.
OnLocation: Springtime in Boston: Virtual tour of Mount Auburn Cemetery in Cambridge in search of migrating songbirds.
OwlCam: Sights and sounds of a pair of Barred Owls nesting in Massachusetts, plus nest box building instructions and photos of the Great Gray Owl in Rowley.
Plum Island Hawk Watch: Spring migration results and panoramic photos.
Real Birds: Birding in Massachusetts: Transcripts of the Eastern Mass, Western Mass, and Cape Cod rare bird alerts.
Screech Owl Webcam: Monitors two eastern screech owl nest boxes in Mendon, MA. Also bird carvings and nature photography by Jim Podsiadlo.
South Shore Bird Club: Field trips, programs, and rare bird alert.
Stoughton Bird Club: Includes detailed site guides for two local hotspots.
Wing Island Bird Banding Station: Research site located at the Cape Cod Museum of Natural History in Brewster. Banding information, statistics, and photo gallery; volunteer opportunities; and overview of research.