National Audubon Society Pocket Guides Other guides in this series: Animal Tracks -- Birds (Eastern Region) -- Birds (Western Region) -- Birds of Lakes and Rivers -- Birds of Prey -- Birds of Sea and Shore -- Butterflies -- Cacti -- Clouds and Storms -- Constellations of the Northern Sky -- Dinosaurs -- Flowers (Eastern Region) -- Flowers (Western Region) -- Fossils -- Galaxies and Other Deep-Sky Objects -- Insects and Spiders -- Mammals -- Marine Mammals -- Mushrooms -- Planets and Their Moons -- Reptiles and Amphibians -- Rocks and Minerals -- Seashells -- Seashore Creatures -- Songbirds (Eastern Region) -- Songbirds (Western Region) -- The Sun and the Moon -- Trees (Eastern Region) -- Trees (Western Region) -- Waterfowl Also available National Audubon Society Field Guides National Audubon Society Nature Guides National Audubon Society Master Guides to Birding