Alabama Ornithological Society (AOS) Founded in 1952. Website has info about birds and birding in Alabama, checklist of Alabama birds, bird count data, membership info, schedule of meetings, and RBA reports for Alabama and N/W Florida.


Mat-Su Birders is a local wild bird club in the beautiful Matanuska-Susitna Valleys in Alaska. Mat-Su Birders formed in January 1999. Members are folks from all walks of life, all age groups, all levels of bird knowledge and birding experience from beginner to expert, oldtimers and newcomers to the area. Everyone is welcome!


Desert Rivers Audubon Society – covers the eastern portion of Maricopa County.

Maricopa Audubon Society (MAS) is NAS’ Phoenix metropolitan area chapter, with over 3000 members. Website has info about the chapter, programs and meetings, online newsletter, links. This club covers the central portion of Maricopa County.

Sonoran Audubon Society – covers the western portion of Maricopa County.

Tucson Audubon Society (TAS) has been working in southern Arizona for more than 50 years to promote conservation and environmental education, and to provide environmental recreation.


Audubon Society of Central Arkansas NAS chapter. Website includes info on meetings, citizen science programs, map with directions to birding hotspots.

Northwest Arkansas Arkansas Society NAS chapter. Website has a growing birdlist.


Kern Audubon Society Serves the Southern San Joaquin Valley and the Greater Bakersfield area. Website has info relevant to the environment, birding, education, conservation, and nature lovers.

Monterey Audubon Society
Founded in 1940, the Monterey Audubon Society is a volunteer organization dedicated to conserving and celebrating the birds and wildlife of the greater Monterey Bay region. Our chapter includes 1,200 members throughout Monterey and parts of Santa Cruz and San Benito Counties. We currently engage in an array of educational, community science, and advocacy initiatives geared toward protecting the region’s birds and its biological diversity.

Santa Barbara Audubon Society protects area birdlife and habitat and connects people with birds through education, conservation, and science.

Sea & Sage Audubon Society Serves northern, central, and a portion of southern Orange County. Website has info about field trips, conservation activities, programs, birding classes for adults, nature programs for children, volunteer opportunities, library of nature slides.

Tehachapi Mountains Birding Club serves birders in the southern Sierras community of Tehachapi. The website’s primary focus is educational, and includes local bird specie articles, reports on several club research projects (including the annual Turkey Vulture migration census), birding book reviews, bird photos, and schedule of meetings and field trips.


Colorado Field Ornithologists the official state organization, is dedicated to the field study, conservation and enjoyment of Colorado birds. Website contains info about the organization as well as Colorado birding.


Connecticut Ornithological Association (COA) Founded in 1981, the Connecticut Ornithological Association is an all volunteer organization with the mission of promoting interest in Connecticut birds, and collecting, preparing, and disseminating the best available scientific information on the status of Connecticut birds and their habitats. COA is the only statewide organization devoted to birds and birding in Connecticut. It publishes The Connecticut Warbler and the COA Bulletin, manages the CTBirds listserv, offers workshops and field trips, and presents an Annual Meeting featuring educational and entertaining programs by regional and national speakers.


Delaware Valley Ornithological Club. Founded in 1890, DVOC is one of the oldest bird clubs in the world. DVOC serves southeastern Pennsylvania, central and southern New Jersey, and the state of Delaware. The club welcomes anyone with a genuine interest in birds, regardless of background, experience or skill level. Full information about programs and other resources is on the club website at

Delmarva Ornithological Society (DOS)
PO BOX 4247
Greenville, DE 19807


Audubon Society of the Everglades Incorporated in 1966 and serves communities from Jupiter and Tequesta south to Boca Raton.

Bay County Audubon Society Bay County Audubon Society was founded in 1962 by citizens dedicated to the preservation of natural areas and wildlife habitat. We serve Panama City and surrounding areas in Bay, Gulf, Calhoun, Washington, Holmes and Jackson Counties.

Space Coast Audubon Society (, serving Brevard County and surrounding communities, provides an opportunity for people to become aware firsthand of the value and beauty of nature. Through conservation and education, we hope to create an understanding of and interest in all wildlife, preserve irreplaceable natural resources and restore the Earth’s ecosystems of which mankind is an inseparable element.

Tropical Audubon Society (, headquartered at the historic Doc Thomas House in South Miami and serving communities throughout Miami-Dade County, offers a diverse lineup of outings and programs of every feather, including: bird, butterfly and plant trips; morning forays, all-day adventures, overnight trips; local outings and expeditions far afield.

The Florida Ornithological Society is a not-for-profit corporation established in 1972 to promote field ornithology in Florida and to facilitate contact between professional and amateur ornithologists and birders in the state.


Georgia Ornithological Society Website has membership info, Georgia and S Georgia/N Florida RBA transcripts, trip reports, species accounts, Christmas Bird Count and North American Migration Count data, and links for neighboring states, plus a photo index.


Illinois Ornithological Society

Chicago Ornithological Society

DuPage Birding Club

North Central Illinois Ornithological Society, Rockford’s Bird Club has been around for 60 years.

Chicago Audubon Society

Illinois Audubon Society


Iowa Ornithologists’ Union Hosts Iowa Birds & Birding website, with info on IOU, Iowa RBA and Iowa Chat, birding locations, hotbirds, checklists, Christmas Bird Counts, useful local contacts.

Iowa City Bird Club “To promote the enjoyment, study, and conservation of birds in their natural habitats.”


Kansas Ornithological Society Website contains information about KOS, upcoming events, and back issues of the quarterly Newsletter, The Horned Lark, has current Kansas Checklist as well as individual county checklists for all 105 Kansas counties, and links to the Kansas Bird Discussion list archives as well as special projects of the KOS. KOS was formed in 1949 and serves nearly 400 members.

Audubon of Kansas Audubon of Kansas (AOK) is an independent grassroots nonprofit organization that promotes appreciation and stewardship of natural ecosystems in Kansas and the central Great Plains, with special emphasis on conservation of prairies, birds, other wildlife, and their habitat. It is neither funded nor administered by the National Audubon Society.


Kentucky Ornithological Society Website includes the Kentucky RBA, a checklist of Kentucky birds, plus info about The Kentucky Warbler (official publication of KOS), KOS membership, meetings, field trips, bird counts, and bird conservation plus links to numerous other bird-related sites.


Louisiana Ornithological Society Formed in 1947 to gather and disseminate accurate information about the bird life of the western hemisphere and Louisiana. Website includes info about the society’s history, officers, membership, meetings, and trips, state birding organizations, a state checklist, the Louisiana Bird Records Committee, LOS News, Louisiana Birdline, and local contacts.

Crescent Bird Club Formed in 1966 to serve the New Orleans area which, being at the southern end of the Mississippi flyway and on the Gulf of Mexico, gets a wide variety of species. Club sponsors free birding trips for members to birding hotspots.

Shreveport Society for Nature Study Sub-group The Bird Study Group, Shreveport’s organization of bird-watchers. Offers field trips, bird discussions, a Bird Report database tracking bird sightings, and other programs of interest to people with an interest in birds.

Orleans Audubon Society (New Orleans), is dedicated to conserving wildlife and wild places of the southeastern U.S. and to fostering an appreciation of nature. This non-profit, charitable organization was founded in 1949 and services southeast Louisiana. The OAS website has information about birding courses, workshops, and recordings, birding field trips, a digital birding guide, bird rescue, citizen science, environmental advocacy, and 3 wildlife sanctuaries.

Northshore Bird Club (Slidell/Covington)

Gulf Coast Bird Club (Lake Charles)

Baton Rouge Audubon Society

Northeast Louisiana Bird Club (Monroe)


Stanton Bird Club, Lewiston, Maine


Howard County Bird Club A chapter of the Maryland Ornithological Society. In June, the Club published Birding Howard County, Maryland, a 134 page spiral-bound guide to finding birds in the county. Web page provides local birding updates and county bird list.

Maryland Ornithological Society Founded in 1945, the Maryland Ornithological Society promotes the study and enjoyment of birds. Birding activities, publications, and programs are available to members through the state organization or a local chapter. The website is a complete resource on birding in Maryland.

Maryland Bluebird Society MBS was recently incorporated as a non-profit promoting conservation of the Eastern Bluebird through education, establishment of trails, and support of research.

Montgomery County Bird Club, established in 1964, aims at fostering interactions among novice and experienced birders alike in this Maryland county just northwest of Washington, D.C. Visit our website for information about our meetings, field trips, and local birding sites. Read our newsletter named, The Chat, and find out how to join.


Massachusetts Audubon The largest conservation organization in New England, concentrating its efforts on protecting the nature of Massachusetts for people and wildlife. Across the state operates 36 wildlife sanctuaries that are open to the public and serve as a base for its conservation, education, and advocacy efforts.

Brookline Bird Club Founded in 1913, the club now has more than 1300 members nationwide. Web page is useful for anyone interested in birding in New England, particularly Massachusetts.

Cape Cod Bird Club is a 500 member club founded in 1971 that offers monthly meetings and weekly field trips. The website is useful to anyone intersted in birding on Cape Cod Massachusetts.

Eastern Massachusetts Hawk Watch (EMHW) is an all-volunteer, member-based organization whose mission is to promote the study and conservation of hawks locally and on a continental scale by monitoring migration in Massachusetts. The web site contains information on all aspects of hawk watching.

The Essex County Ornithological Club (ECOC) was established in 1916 to promote ornithological study throughout Essex County, Massachusetts. The Club maintains a long tradition of an annual May bird census by canoe, kayak and on foot along the Ipswich River. The ECOC periodically revises the official checklist of the Birds of Essex County. Website includes meeting/speaker schedule and the Field List of the Birds of Essex County, Massachusetts.

Hampshire Bird Club Based in Amherst. Website includes info about membership, meetings, field trips, Hampshire lending library book list, and a page of photos.

Hoffmann Bird Club Founded in 1940, the Hoffmann Bird Club has approximately 125 members and offers monthly meetings and field trips within Berkshire County and to surrounding states.

Allen Bird Club of Springfield Massachusetts Founded in 1912, the club is dedicated to the study of birds and related natural history.  We welcome anyone with an interest in birds, regardless of background, experience or skill level.  Our website is a comprehensive source of information about the club, including membership, meetings/programs, field trips, area birding hotspots and other birding resources.


Erie Shores Birding Association of Monroe, Michigan, was organized in 1986 for the purpose of promoting the observation and study of birds and other related wildlife, their environment and their conservation.

Huron Valley Audubon Society of Livingston County Non-profit affliated as an official chapter of the Michigan Audubon Society but completely self-supporting. Goal is education by supporting the process of lifelong learning, with a program of informative meetings, nature oriented field trips and conservation projects. Website includes meeting/speaker schedule.

Michigan Audubon’s mission is to connect birds and people for the benefit of both through environmental research, conservation, and education in the state. The society has about 2000 members statewide, 41 local chapters, 19 sanctuaries, and 4 affiliates. Michigan Audubon also nurtures partnerships with National Audubon, Detroit Audubon, and the Kalamazoo Nature Center.

Michigan Loon Preservation Association Mission is to conserve and enhance the Common Loon Population through research, habitat protection and restoration, species protection, and public awareness and involvement. Website includes info about the Common Loon and the organization.


Minnesota Ornithologists’ Union Organization of professionals and amateurs interested in birds. Publishes a journal, The Loon, and a newsletter, Minnesota Birding. Info-rich web site includes lists and distribution maps of the birds found in Minnesota, a list of 16 quality birding locations, an account or recent rare, unusual or interesting sightings.


Mississippi Coast Audubon Society (MCAS) A NAS chapter. Website includes a calendar of activities, bird list and other resources.

Mississippi Ornithological Society, established in 1955

Jackson Audubon Society

Okatibbee Creek Audubon Society


Webster Groves Nature Study Society Organization of amateur naturalists interested in plants, insects, and birds of Saint Louis area. Website includes info on where to find a Eurasian Tree Sparrow in the area, phone #s for recent rare bird sightings, field trips, checklist, and archive of recent bird reports and articles from Nature Notes.


Nebraska Ornithologists’ Union Dedicated to study, appreciation and protection of birds. Website gives info about NOU (membership, officers, publications, records committee) plus upcoming birding events, RBAs, and favorite birding areas within the state.

Audubon Nebraska is the state office of National Audubon Society in Nebraska and website has info on NAS activities in the state, plus sections on Audubon’s two Nebraska nature centers, Audubon Spring Creek Prairie and Lillian Rowe Sanctuary.

Wachiska Audubon Society is a local chapter of National Audubon Society serving 17 counties in Southeast Nebraska. Website features info on field trips, educational meetings and wildlife habitat conservation.


Lahontan Audubon Society (LAS) was founded in December 1963 by Fred Ryser, John Davis, and Marge Sill.  LAS started the Truckee Meadows Christmas Bird Count  that same year, and has collected over 50 years of data for that original count circle, as well as creating several other area Christmas Bird Count circles.

The Great Basin Bird Observatory is a non-profit organization of scientists dedicated to furthering bird conservation in the Great Basin and adjoining regions.

New Jersey

Delaware Valley Ornithological Club. Founded in 1890, DVOC is one of the oldest bird clubs in the world. DVOC serves southeastern Pennsylvania, central and southern New Jersey, and the state of Delaware. The club welcomes anyone with a genuine interest in birds, regardless of background, experience or skill level. Full information about programs and other resources is on the club website at

New Jersey Audubon Society Founded in 1897, and one of the oldest independent Audubon societies, NJAS has no connection with the National Audubon Society. Website includes a birders forum and seasonal site guides for great birding spots in NJ.

Gloucester County Nature Club Local non-profit with a focus to educate the public on the natural world around them. Website includes details on the history, fieldtrips, programs, and special events of this dynamic organization.

Monmouth County Audubon Society. Website includes news on upcoming programs and events, local news and environmental info, injured bird info, links, and bimonthly newsletter.

New York

New York State Bluebird Society A non-profit dedicated to the conservation of the Eastern Bluebird Sialia sialis, the state bird. With links to other bluebird pages.

Brooklyn Bird Club Comprehensive website for NYC area. Lists hot spots in and around Brooklyn and Queens, including Prospect Park, Jamaica Bay Wildlife Refuge, Gateway NRA. Area checklists and maps included. Useful compendium for birders visiting NYC area.

The Linnaean Society of New York (LSNY), with members mostly in the New York City area, is devoted to all aspects of natural history. We are strongly bird oriented, providing birding field trips to various destinations in the greater New York City area, conducting occasional weekend or out of state birding tours, co-sponsoring the NYC Rare Bird Alert, and offering a variety of birding resources on our website, including an exclusive birdwatching guide to lesser known Manhattan hotspots.

Cayuga Bird Club, covering the eastern Fingerlakes area.

The Queens County Bird Club was founded in 1932 with the membership requirement that “a person must have a profound interest in bird life and be at least 12 years of age”. While our focus is still on birding, we do and offer a whole lot more – just ask anyone who has been on our field trips! From butterflies and dragonflies to wildflowers and other flora, and mammals and herps and… well, you get the idea.

North Carolina

Carolina Bird Club The Carolina Bird Club is a non-profit organization which represents and supports the birding community in the Carolinas through its official website, publications, meetings, workshops, trips, and partnerships.

Blue Ridge Audubon Chapter serves Buncombe, Henderson and parts of other surrounding counties near Asheville, NC. It manages the Beaver Lake Bird Sanctuary in Asheville and sponsors weekend bird outings there and at several local parks throughout the year.  Regular programs vary from guest lectures to social events. A calendar of events, initiatives and information on membership are available on the website.

Piedmont Bird Club Founded 1938, 138 members. Web site has calendar of meetings and field trips, checklist and information about regional birds, field trip reports, places to bird in Guilford County, NC, photos by members, links.


Kirtland Bird Club Meets meets on the first Wednesday of each month, September through June, at 7:30 pm at the Cleveland Museum of Natural History. Website includes info about meetings, field trips, birds sighted, newsletter (pdf).

Ohio Ornithological Society Welcoming backyard birdwatchers and researchers in the field alike, the Ohio Ornithological Society is the only statewide organization specifically devoted to fostering a deeper appreciation of wild birds, fellowship and collaboration in advancing our collective knowledge about them, and our ability to speak with one voice to preserve Ohio’s bird habitats.

Ohio Young Birders Club A chapter of the Black Swamp Bird Observatory, this club was founded in 2006 and serves young birders, ages 12 – 19 years old. The clubs goals include creating a community for young birders throughout Ohio and beyond and fostering an interest in natural history and encouraging young people to spend more time outside. The website includes meeting, field trip, and membership information.

Western Cuyahoga Audubon Society. Programs held first Tuesday of month September to June at the Rocky River Nature Center in North Olmsted, OH. Field trips held in the Northern Ohio area. Website includes programs, field trips, newsletters, animal rehab directory and volunteer opportunities.


Indian Nations Audubon Society – Muskogee
Payne County Audubon Society P.O. Box 82, Stillwater, OK 74076
Tulsa Audubon Society P.O. Box 2476, Tulsa, OK 74101


Oregon Birding Association Founded in 1980 as Oregon Field Ornithologists, then renamed Oregon Birding Association in 2012. OBA publishes Oregon Birds, a biannual journal. Website has information about OBA, Oregon Bird Records Committee, field trips and meetings, state checklist, and links to Oregon Birders OnLine.

Klamath Basin Audubon Society The Klamath Basin Audubon Society was founded in 1983 after the Bald Eagle Conference, which had been going since 1979, made local folks see the need for such an organization. Our membership is currently over 160 (as of October, 2005) with well over 260 names on our mailing list.


Pennsylvania Society for Ornithology – a group of birders from across the commonwealth devoted to birding and wild bird conservation.

Delaware Valley Ornithological Club. Founded in 1890, DVOC is one of the oldest bird clubs in the world. DVOC serves southeastern Pennsylvania, central and southern New Jersey, and the state of Delaware. The club welcomes anyone with a genuine interest in birds, regardless of background, experience or skill level. Full information about programs and other resources is on the club website at

Three Rivers Birding Club Informative website includes info on recent bird sightings, birding hotspots with directions, outings, events calendar, discussion forums.

South Carolina

Greenville County Bird Club. Serves Upstate South Carolina and nearby western North Carolina. Founded in February 2000 to promote birding and to encourage responsible environmental stewardship. Site contains News and Outings sections as well as trip reports with photographs. Checklists are available for download and hawk migration counts are available for each year since 1988.

Hilton Pond Center for Piedmont Natural History Non-profit based near York. Website includes photos and info about flora and fauna found in most habitats in eastern U.S, the Center’s long-term bird-banding research projects, and “This Week at Hilton Pond,” a pictorial account of natural changes through the seasons.

Carolina Bird Club The Carolina Bird Club is a non-profit organization which represents and supports the birding community in the Carolinas through its official website, publications, meetings, workshops, trips, and partnerships.

South Dakota

Sioux Falls Bird Club. An organization founded to promote the enjoyment, study, and conservation of wild birds in The Sioux Falls region.

South Dakota Ornithologists’ Union. Founded in 1949, SDOU has been South Dakota’s primary statewide organization to promote the study of wild birds, to encourage ornithological research, and to preserve the state’s avian records. Birders, environmentally-concerned individuals, ornithologists and other natural scientists all contribute to these efforts.


Tennessee Ornithological Society Founded 1915, first chapter established at Nashville with Knoxville in 1923. Publishes quarterly journal The Migrant (launched in 1930) plus semi-annual newsletter Tennessee Warbler. Website includes info about TOS, birding in Tennessee, upcoming events, Tennessee Breeding Bird Atlas and Bird Records Committee.


Houston Audubon
Currently celebrating over 40 years of conservation, Houston Audubon promotes the conservation and appreciation of birds and wildlife habitat. Current information on field trips, membership meetings, and other events can be found at

Texas Ornithological Society TOS was founded in 1953 as a nonprofit organization. The purpose of the Society is to promote the discovery and dissemination of knowledge of birds; to encourage specifically the observation, study and conservation of birds in Texas; to encourage the formation of local birding clubs; and to stimulate cooperation among professional ornithologists. The website,, has quarterly bird reports from each of the eight TOS regions and information on upcoming events including meetings and field trips.


Utah Ornithological Society (UOS) The website has information about membership, journal subscription, local and state checklists, birding records in Utah including access to the records of the Utah Bird Records Committee.


Northern Virginia Bird Club The club was founded in 1955 as a chapter of the Virginia Society of Ornithologists. Website offers schedule of walks (two per week, Sept – June), newsletter, schedule of meetings, pictures taken by members and links to other birding sites.

Fredericksburg Birding Club Our members are bird enthusiasts of all skill levels – from beginning to advanced birders – who reside in the greater Fredericksburg, Virginia area. We have been brought together because of our interest in birds and our love of birding. We welcome anyone to join us on one of our upcoming trips – even if you have never birded before – and hope you will consider becoming a member.


Washington Ornithological Society Founded in 1988 “…to provide a forum for birders from throughout the state to gather and share information on bird ID, population status and birding sites”. Over 500 amateur and professional ornithologist members. Web includes checklist, photos and links.

Washington State: Rainier Audubon Society (South King County Chapter) Website has a lot of info about the society’s activities, projects, CBC data, bird sightings, how to subscribe to the Wa-Rainier Listserv, nest boxes, wild bird care, green gardening.

ABC Birding is a birding club starting up in Tacoma, WA. We began as a way for graduates of Ken Brown’s advanced birding class (hence ABC) to continue to enjoy each others company in a learning environment and on birding field trips. We have since morphed into a local birding club open to anyone interested.

West Virginia

The Brooks Bird Club An independent, educational, non-profit which promotes the study and enjoyment of birds and other elements of the natural world. Headquartered in Wheeling, West Virginia.


Chequamegon Bird Club A club based in Medford, WI with over 100 members.

OshKosh Bird Club founded in May 1970 in order to stimulate interest in and promote the preservation of birds. Club members are actively involved each year in field trips, bird counts, and local bird projects.

Bluebird Restoration Association of Wisconsin (BRAW) seeks to monitor and increase the production of the Eastern Bluebird and other native cavity-nesting birds through a coordinated statewide nest box construction and monitoring program.

The Wisconsin Society for Ornithology (WSO) Organized in 1939 to encourage the study of Wisconsin birds. The aims have expanded to emphasize all of the many enjoyable aspects of birding and to support the research and habitat protection necessary to preserve Wisconsin birdlife. Members include backyard birders, ornithology hobbyists, as well as professional ornithologists.


New Brunswick

New Brunswick Federation of Naturalists A non-profit formed in 1972 to encourage better understanding of nature and the environment, and to focus concern for the natural heritage of New Brunswick.

Nova Scotia

Nova Scotia Bird Society A focus for birders in the province for almost 40 years, serving over 500 members. Web page includes info on meetings and field trips, telephone information line, information for visitors, and latest issue of Nova Scotia Birds.


Ontario Field Ornithologists Premier organization in Ontario for birders, dedicated to the study of bird life in Ontario. Website includes the Ontario Checklist, list of upcoming trips, and other topics of interest to Ontario birders and visitors eg, bird protection laws and plumage and moult terminology.

Kitchener Waterloo Field Naturalists Informative website that includes info about bird sightings in the area, KWFN Young Naturalist Prize, listservs, migration sites, an extensive links hub, a photo salon, announcements, checklists, news and more.