Hummingbirds of N.A. Bird Book
Hummingbirds of North America from Peterson Books is a must-have for hummingbird watchers. This comprehensive field guide has been called the most expansive ever. Author Sheri L. Williamson is one of the foremost experts on hummingbirds and is the co-founder of the Southeastern Arizona Bird Observatory.Fact-filled text will enlighten even the most expert hummingbird aficionados. Migratory patterns species range maps and spring arrival dates of many popular species are included. You will find uncommon images of females and immature specimens too. Arrows highlight important characteristics for identification in the field. Containing over 250 color photographs and over 30 maps this book has it all.