
COLORADO BREEDING BIRD ATLAS II
San Juan Institute of Natural and
Cultural Resources
Fort Lewis College
Durango, CO 81301
(970) 247-7245


Atlas II volunteers may enter their field data via a website database developed by the Cornell Lab of Ornithology. The website is available at:
http://bird.atlasing.org/Atlas/CO/
*Volunteers are asked to submit their hard copy field data forms to the Atlas II Project Manager after they have entered their field data into the website. Click here for the Project Manager's mailing address.
Enter Field Data

This website is hosted by:

To assist volunteers with use of the website database, please refer to the Data Entry Manual prepared by Rocky Mountain Bird Observatory. The manual provides step by step instruction for registering on the site, requesting ownership of blocks, and entering field data. The Data Entry Manual is available for viewing or downloading as a pdf document and requires either Adobe Acrobat® or Adobe Reader® software to open.
Volunteers that experience problems using the website database should contact their respective Regional Coordinator or the Atlas II Project Manager.