Sibley Birds West

Illustrations of more than 777 species and regional populations New designs improves side-by-side comparison of species 5,069 painting digitally remastered from original art for perfect reproduction Revised text includes updated and expanded habitat information, voice, and description of behaviors. More than 650 color maps showing winter, summer, migration, year-round, and rare ranges Revised taxonomic order and most current common names for everyspecies