AOU Check-list of North American Birds. Seventh Edition This work integrates many years

This work integrates many years of observation and study over much of Alaska by Dr

plus notes on habitat and distribution

Weber places particular importance on specimen records and is critical of Wahl et als uneven citation of the literature on Washington's avifauna

Near fine hardcover

Utah field work

AOU Check-list of North American Birds. Seventh Edition This work integrates many yearsThe Species of Birds of North America from the Arctic through Panama, Including the West Indies and Hawaiian Islands. This is the official source of taxonomy of birds in North and Middle America. Scientific and English names, citation, and type specimen, plus notes on habitat and distribution. It was produced by the AOU's Committee on Classification and Nomenclature (North and Central America), and is regularly updated. Includes notes on habitat and