• Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist.
• 38 species of warblers—both common and exotic—found east of the Rockies
• Includes captions describing the gestalt of each species; detailed range maps; and both in-flight and perched illustrations with call-outs
• Handy fold-out format: 6 panels 4" x 9." Perfect for backpack, glove compartment, or kitchen table
• Indestructible waterproof lamination
• Instant access to just what you need to know