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



In this issue:  "A Meteorologist's Guide to Migration" - Bryan Guarente  » read more


See our entire
Bird ID Challenge gallery!


CFO sponsers the Colorado Bird Records Committee (CBRC). The CBRC solicits, collects, assembles, reviews, renders opinions on, and permanently archives all documentation concerning rare and unusual bird records in Colorado. » view the State Review List



» read all COBirds posts

Have you found
an interesting bird?

» Report sightings of
these rare birds


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CFO convention late registration starts on July 16 so sign-up now to get the lower fees. Also, tees shirt ordering ends after July 15. If you want a tee - order now. - Brenda Linfield, 2014-07-13 » read more

Looking for a place to eat while you are at the Sterling convention? Menus from local area restaurants are now online. - Brenda Linfield, 2014-07-11 » read more

Field trips for the CFO 2014 Convention are filling up. Register soon to reserve your place! - Brenda Linfield, 2014-05-20 » read more

Online registration has opened for the Aug. 28-Sept. 1, 2014 CFO Convention! Join us for keynote speaker Jon Dunn, fabulous birding, wonderful workshops, and great camaraderie. - Ted Floyd, 2014-05-16 » read more

Birding has undergone massive changes in recent years. An online article looks at how an ordinary day of birding in Colorado is affected by all these changes. - Ted Floyd, 2014-05-05 » read more


Colorado Field Ornithologists (CFO) is a non-profit, volunteer organization devoted to the study, conservation, and enjoyment of Colorado's birds. We are looking for bird enthusiasts just like you!

We are a statewide organization open to anyone interested in birds, including recreational birders and professional ornithologists. The diversity of our members' interests creates a dynamic organization and offers learning opportunities for all.


The Colorado Field Ornithologists Annual Birding Convention is the birding event of the year for Colorado birders! Meeting sites are selected throughout the state. Members can see new birds and habitats each year with field trips led by local experts. Events include presentations of research papers, workshops, and an evening banquet with a special guest speaker.

The CFO's 2014 Annual Convention will be held Thursday August 28 through Monday September 1 in Sterling, Colorado. Join us in the hunt for north eastern Colorado specialties on our many convention field trips based out of Sterling. Enjoy our Welcome Picnic, field trips, comradeship, shorebirds, early fall migrants, Team ID Challenge, academic paper session, and a great banquet with our special guest speaker, Jon L. Dunn—author and professional trip leader, described by Sandy Komito as the best field observer in North America. » read more


The CFO offers small grants to qualifying individuals or organizations, for projects that will have a lasting benefit to Colorado birds and the habitats upon which they rely. » read more


Colorado birders have compiled detailed information for over 880 places to go birding in Colorado. Download checklists for the entire state and by county. » read more