A "covey" observed at 7,000' on a ridge in Steamboat Spring.
Guess the grouse experts now call this species Dusky vs Blue.
Nikon D700
,AF-S VR Nikkor 70-200mm f2.8G with TC-20 E II 1/500s f/8.0 at 400.0mm iso500
FX Image Free Crop Reduced to 160 ppi for Internet Viewing
full exif