209mm

"Sibley's Birding Basics" by David Allen Sibley is a comprehensive guide to identifying birds, focusing on clues in feathers, habitats, behaviors, and sounds. This trade paperback book is part of the Sibley Guides series and is illustrated by the author himself. It is aimed at young adults and adults interested in birdwatching and nature, providing a detailed exploration of various bird-related topics. The book, published in 2002 by Knopf Doubleday Publishing Group, is a valuable resource for those looking to learn more about birds and enhance their birdwatching skills.