"Within the borders of California are found more different natural habitats and species of wildlife than any other state can claim. The wildlife population includes more than 500 species of birds--some numbering in the millions, others reduced to but a few dozen individuals...The book includes introductory chapters on the land regions and climate of California as they relate to the ecology and distribution of the state's birds...It contains a complete annotated listing of all the birds which have occurred in California from 1900 to 1974." --Dust jacket.