You've learned the names of the different birds, now learn how to tell the bird without its presence by looking at the nest and/or eggs. This fascinating guide includes the nests and eggs of 520 species found west of the Mississippi River. Descriptions of breeding range and time, habitat, and nests and eggs are enhanced by 400 color photographs. Peterson Field Guides are designed to work in the field, and every illustration, every word, is directed to that end. Roger Tory Peterson's unique system shows exactly what features to look for to tell one species from another. For each Field Guide, an author with expertise in the subject and an experienced artist work closely with the editors to ensure that both text and illustrations are accurate. 257 soft cover pages with both color photos and B&W line drawings. 7 ¼" x 4 ½". Free Shipping! To order by phone call Toll Free 866-596-9982