Finches & Sparrows (Helm Identification Guides)

This is a guide to true" finches and sparrows illustrating all the species, many races and most sex and age variations, with almost 950 portraits. The maps accompanying the illustrations show breeding and wintering ranges for all species. Although the guide is not primarily intended for cagebird enthusiasts, it will also be useful for those wishing to know more about the species encountered in captivity."