"Colored Key to North American Birds with Bibliographic Appendix" is an important publication in the field of ornithology, written by the eminent American naturalist Frank Chapman. The book provides detailed descriptions and color illustrations of more than 250 species of birds found in North America. Because of its systematicity and brevity, this color key has become an indispensable guide for anyone interested in the study of birds. An additional bibliographic appendix makes the book even more valuable for researchers and nature lovers. Written with great expertise and love of birds, The Color Key to North American Birds with Bibliographic Appendix has become a classic source of information on the birds of this region and a recognized authority among ornithologists.