Discover seventy-five unique species from Western North America as you enjoy their sounds at the touch of a button-reproduced in high quality on the attached digital audio module-while reading vivid descriptions of their songs, calls, and related behaviors. Learn how to pick out the wavering songs of a young Bewick's Wren, or find out why many songbirds have dialects that vary from region to region. Complete with up-to-date range maps and more than 130 sounds provided by the Cornell Lab of Ornithology's world-renowned Macaulay Library, as well as exquisite illustrations of each species, The Backyard Birdsong Guide will resonate with beginners and experts alike.