Join CFO

CFO is committed to encouraging birders to learn about and contribute to the conservation and knowledge of Colorado birds. Your annual CFO membership supports our work in education, conservation, and research.

Member Benefits


A new Colorado Birds journal every quarter. Exclusive access to the last 2 years of the journal.


Early registration and discounted registration to the CFO convention, events and activities


Discounted access to Western Field Ornithologists resources


Being part of an active, statewide birding organization that focuses on Colorado and is full of interesting, dedicated and intelligent people!

Research & Conservation

Support critical research on and conservation of Colorado's birds

Membership Levels

Updated Membership Policy - July 2022

CFO now offers annual memberships lasting one year; these memberships start the day you join or on your expiration date once you renew your membership.
This policy change will not affect any current memberships until the next expiration date of that membership. If members have previously purchased multiple years of membership, these also are honored according to the membership policy when they were purchased.

Individual (Digital)

$40 / Year

Annual CFO membership with access to the digital version of Colorado Birds.

Individual (Print)

$50 / Year

Annual CFO membership with a print version of Colorado Birds mailed to you.


$25 / Year

Youth under 18 and those enrolled in an accredited college or university; access to the digital version of Colorado Birds

Household Add On

$15 / Year

Add additional household members to an Individual Digital or Print membership.

Download instructions (PDF) on how to add a household membership.


$50 / Year

Quarterly Colorado Journal mailed to your library or institution.

Current WFO Member?

Through the CFO and WFO partnership, current WFO members who want to join CFO can get a discounted rate.  If this applies to you, please contact us to get the coupon code. (CFO members also get a discounted rate to join WFO). 

Want to renew a current or lapsed membership?

Log in to your account and select "Renew/Manage Membership" in the Members Portal.

Questions about your account or membership?

Check out our Accounts FAQ page to get an immediate answer.