Book excerpt: A portable, comprehensive field guide--brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket--from the go-to reference source for over 18 million nature lovers. This streamlined volume contains an easy-to-use field guide identifying the most frequently encountered waterfowl in North America. Packed with information, it includes detailed photographs and diagrams, specific descriptions of each species, regional maps depicting nesting and winter ranges, a glossary of bird terms, and a guide to various bird family traits. An excellent and convenient reference guide to accompany any bird-lover.