Tom Stephenson and Scott Whittle have created the most innovative and complete guide to warblers available in The Warbler Guide. Maps sometimes seem like an afterthought in bird guides, but as this video makes clear, Scott and Tom have taken care to make the maps as useful as possible by highlighting seasonal differences in ranges and migratory paths.
Click here to learn more about The Warbler Guide. The book will be available July 2013.
For more tips on how to use The Warbler Guide and how to identify warblers in the field, please see additional videos in this series.