Earth Sky+Water Sibley's Owls of North America - Comprehensive Field GuideWritten And Illustrated By David Allen Sibley, Americas Most Widely Respected Bird Illustrator And Ornithologist. All 19 Species Of Owls Both Common And Rare? Found In North America Includes Captions Which Capture The Gestalt Of Each Species, Detailed Range Maps, Both In Flight And Perched Illustrations With Call Outs Includes Illustrated Information On Owl Behavior Including Breeding, Hunting, Roosting, And Nesting. Also Includes Basic Tips For How