David Allen Sibley
This guide features 650 bird species, plus regional populations, found east of the Rocky Mountains. Entries include accurate illustrations, more than 4,601 in total, with descriptive captions. Each entry has been updated to include the most current information concerning frequency, nesting, behavior, food and feeding, voice description, and key identification features. There are more than 601 updated maps drawn from information contributed by 110 regional experts across the continent, and showing winter, summer, year-round, migration, and rare ranges.
Dimensions are 4.8" x 1.1" x 7.8"
464 pages with illustrations