This corrects one compliant of the 3rd edition of National Geographic Field Guide. He has written and illustrated articles on bird identification for Birding and American Birds (now Field Notes) as well as regional publications and books.Since 1980 David has traveled the continent watching birds on his own and as a tour leader for WINGS, Inc. Features include: • A new easy to navigate menu system. Raptors are shown from below. Probably the finest field guide for North American birders. Gorgeous paintings of hundreds of birds pack this well-designed, durable book that is essential to any birder's collection. Hope this helps. Sibley has taken great care in producing the most up-to-date field guide… A sturdy, flexible cover, sewn-in binding, and heavy, nonreflective paper add to the pleasure of using this book. Please use a different way to share. 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