How to use this book -- Icons and key terms -- How to use the maps -- Topographic tour -- What to notice on a warbler -- Aging and sexing warblers -- Understanding sonograms -- How to listen to warbler songs -- Learning chip and flight calls -- Visual finder guides -- Warbler song finder charts -- Chip call finder -- Flight call finder -- Species accounts
Summary
This book enables you to quickly identify any of the 56 species of warblers in the United States and Canada. This groundbreaking guide features stunning color photos, extensive species accounts with multiple viewing angles, and an entirely new system of vocalization analysis that helps you distinguish songs and calls
