""Birds of the Colorado Valley"" by Elliott Coues is a comprehensive guide to North American ornithology. The book is divided into two parts, with the first part covering Passeres to Laniidae. It includes detailed scientific and popular information about different bird species found in the Colorado Valley region. The book is a repository of knowledge for bird enthusiasts and ornithologists alike, providing detailed descriptions of bird species, their habitats, behaviors, and migration patterns. The author has also included a bibliographical appendix, which provides additional resources for readers who want to further their knowledge of North American birds. Overall, ""Birds of the Colorado Valley"" is an essential guide for anyone interested in the study and appreciation of birds.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.