He has countless images representing most of the major bird families in North America . To see some of these images, browse Kevin's photo gallery, or contact him directly for specific needs. Kevin recently co-authored a comprehensive volume called The Shorebird Guide. This innovative work presents a different approach to field identification, using various impressions for initial field study. Birding by Impression is a great way for beginners to learn more about birds in their backyards and local wild areas as well as for experienced birders to hone their observation and identification skills.