This National Geographic field guide is filled with color illustrations to identify more than 750 birds. Accompanying maps identify the range and habitat of each species. Text provides detailed physical descriptions of the male and female of each bird, both as a juvenile and an adult. The voice and call of each species is described as well.
This book can be found in HECSA Library:
Field Guide to the Birds of Western North America
edited by Jon L. Dunn and Jonathan Alderfer
QL 683 .W4 N38 2008