Here is a summary of dates for this winter's Christmas Bird Counts in Colorado. The dates listed, are the counts, the compilers have entered their date into the CBC Website. There are quite a few other counts, that the dates haven't been entered so far.
Aspen - Dec 17 Boulder - Dec 17 Colorado Springs - Dec 16 Denver - Dec 16 Denver (Urban) - Jan 1 Douglas County - Dec 30 Durango - Dec 17 Evergreen-Idaho Springs - Dec 17 Fairplay - Dec 15 Fort Collins - Dec 16 Fountain Creek - Dec 15 Granby - Dec 16 Grand Junction - Dec 17 Grand Mesa - Jan 1 Gunnison - Dec 17 John Martin Reservoir - Dec 14 Lake Isabel - Jan 1 Longmont - Dec 16 Monte Vista N.W.R. - Dec 16 Montrose - Dec 16 Pueblo - Dec 20 Pueblo Reservoir - Dec 16 Spanish Peaks - Dec 23 Steamboat Springs - Dec 16 Sterling - Dec 14