Audubon Society 1955 http://www.arbirds.org/
"The Society holds statewide meetings twice a year in conjunction with spring and fall birdmigrations. The locations of the meetings vary but are always near areas of natural interest. Daytime field trips to scenic areas and birding ""hot spots"" are complemented by evening programs delivered by naturalists."
Hot Springs Village HSV Audubon 1974 https://hsvbirds.org/
"HSV Audubon Society offers field trips throughout the year, providing birding opportunities for both novices and experts alike. Four sessions of Bird Identification classes are held every March, providing class time and field time to hone birding skills. Each December, the club participates in the Christmas Bird Count."
GARNA Birding Club 1996 https://garna.org/clubs/birding-club/
"preserving and protecting natural resourceseducating citizens on local environmental issues.providing adult and youth-oriented educational presentations, seminars and field trips." GARNA’s activities take place in Chaffee, Fremont, and Lake Counties and in the San Luis Valley.