Your donation to CFO help
to fund studies and projects
for the conservation of
Colorado's birds and the
habitats on which they rely.
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Colorado Birding Checklists
• List of ALL Birds Seen in Colorado
• Colorado State Tri-Fold Checklist
Citizen Scientists help collect valuable information for the scientific community. We have forms to help you with your data collection.
Interested in reporting your seasonal birding information?
Interested in reporting your Colorado county totals?
• Colorado County Listing Report Form (excel format)
• Horizontal County Listing Report Form (excel format)
Some Colorado birders lists of the species they see in each county.
• Lifetime County Listing Report - Colorado birders county lists
• Horizontal County Listing Report - Number of counties in which birders have seen individual species
Need to submit a bird sighting? Use our online system