This compact guide profiles 150 of Montana's most abundant or notable bird species, illustrated in color. You'll also find range maps, a quick reference guide that is organized into color-coded family groupings and a map of the state's best birding sites. The book includes a glossary of terms, birder's checklist and separate indexes for scientific and common names. It also features a handy color-coded guide to the bird groups on the back cover to help with quick reference when in the field.