CFO is committed to encouraging new birders to learn and contribute to the conservation and knowledge of Colorado birds.




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Colorado Birds is devoted to the field study of birds in Colorado. Articles and short notes of general or scientific interest are solicited; potential authors are encouraged to submit any materials that contribute to the enjoyment and understanding of birds in Colorado.

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Colorado Birds: The Colorado Field Ornithologists' Quarterly

Members receive Colorado Birds: The Colorado Field Ornithologists' Quarterly. Colorado Birds covers identification, distribution, behavior, ecology, and conservation of the state's avifauna. Published quarterly, each issue includes the latest information about notable bird occurrences in Colorado plus all CFO activities. Colorado Birds features papers of scientific and general interest from both professional and amateur field ornithologists. » read more

County Birding Website

We are pleased to announce the release of a new birding resource for the fine state of Colorado, the County Birding Website. The website features detailed information for 880 places to go birding in Colorado. Checklists for birds are available for the entire state and on a county by county basis. There is information on the best places to look for specialties and general information about birding in Colorado.

CFO would like to thank all contributing authors, especially Nathan Pieplow and Andrew Spencer who in addition to authoring counties also compiled and edited the website.

Visit the County Birding Website

Colorado Birding Trail News

CFO is also excited to announce the upcoming Colorado Birding Trail, a resource being developed by Colorado Division of Wildlife, Colorado Audubon, Rocky Mountain Bird Observatory, and Colorado Field Ornithologists. The Colorado Birding Trail will be developed on top of the County Birding Website database. For more information visit:

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