Presented by Colorado Bird Atlas Partnership:

The Second Colorado Breeding Bird Atlas

Atlas Methods ~ Supplemental Data

Inclusion of Supplemental Data

The Second Colorado Breeding Bird Atlas incorporated supplemental data from state and federal agencies, individuals, and organizations conducting a variety of bird surveys during the same time period as the Atlas. Supplemental data were provided from both priority and non-priority blocks. The following agencies and organizations provided supplemental data to the Atlas:

  • Alamosa/Monte Vista National Wildlife Refuge
  • Arapaho National Wildlife Refuge
  • Bureau of Land Management
  • Colorado Parks and Wildlife
  • Cornell Lab of Ornithology (eBird)
  • Evergreen Audubon Society
  • Rocky Mountain Arsenal National Wildlife Refuge
  • Rocky Mountain Bird Observatory
  • U.S. Forest Service, Region 2
  • Various individuals