This Stunning visual directory features bird-song audio tracks plus short calls of 99 of the most popular North American songbirds. Full-color illustrations show each bird’s distinctive colors and plumage, with detailed information about their origin, behavior, feeding, and migration habits. Learn how and why birds sing, and discover the wide range of tones and melodies. The audio portion of this enhanced e-book are from the Macaulay Library of Cornell University’s Ornithology lab. This feature allows readers to identify the songbirds in your backyard, while simple notations in the book denote the rhythmic rise and fall of the songs.