Had to put this one out because of the "Colordao Blue Sky".
Along the pathway that parallels the Yampa River in Steamboat Springs.
This could be a female Wilson Warbler (?)
Nikon D700
,AF-S VR Nikkor 70-200mm 2.8G with TC-20 E II 1/1000s f/8.0 at 400.0mm iso640
full exif