Colorado organizations Denver Field OrnitholigistsColorado Bird Records CommitteeColorado Field OrnithologistsCobirds Google Group Birding resourcesEbirdBirds of the WorldMacaulay Library Statewide Audubon Chapters*Credit to Jordan Gerue for compiling this list.Aiken (Pikes Peak Region)Arkansas Valley (Pueblo)Black Canyon (Delta)Boulder CountyDenverEvergreenFort CollinsGrand Valley (Grand Junction)Roaring Fork (Carbondale)Weminuche (Pagosa Springs)