Covers more than 250 bird species of the Rocky Mountain states and
provinces. This region is home to fascinating bird species such as Trumpeter
Swan, Mountain Plover, White-tailed Ptarmigan, Greater Sage-Grouse, Sharp-tailed
Grouse, Greater- and Lesser-Prairie Chicken, Williamson’s Sapsucker,
Three-toed Woodpecker, Cordilleran Flycatcher, and many more.
Contains
longer examples and more calls than any other guide. An ideal tool for
identification and expanding one’s repertoire of the birds of the
Rocky Mountain territories.
Authors: Robert Righter and Geoffrey A. Keller