books.google.com.au - In this book two ornithologists, Charles G. Sibley and Burt L. Monroe, Jr., present descriptions of the geographic distributions, and comments about the species-level taxonomy, of the living birds of the world. The accounts of the 9672 species are arranged according to the classification developed by...http://books.google.com.au/books/about/Distribution_and_taxonomy_of_birds_of_th.html?id=Wk-vyrNVAccC&utm_source=gb-gplus-shareDistribution and taxonomy of birds of the world
