Gallery of high-quality digital photos, mostly from Colorado; tips on digiscoping techniques.

Raptor rehabilitation organization based in Boulder County.

Recent bird sightings, photo gallery, trip reports, directions to birding spots throughout the state, checklists, report forms, and field trips.

On-line store, field trips, Colorado Bird Records Committee, checklists, rare bird alert, paper abstracts, journal articles, site guides with maps for 7 spots, report forms, photos and video clips, and bird counts.

Meetings and field trips.

Annual event held in mid-March in Eckert, to observe the Sandhill Crane migration.

Seasonal checklists for 16 sites in Colorado.

Lists of birds, mammals, amphibians, and reptiles for each county.

Conservation and education projects, volunteer opportunities, Partners In Flight database and bird conservation plan, and news. Formerly Colorado Bird Observatory.