The 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. It was produced by the A.O.U.'s Committee on Classification and Nomenclature (North and Central America), and is regularly updated. Includes notes on habitat and distribution. This is the 7th edition of the A.O.U. Checklist. Previous editions are frequently available - please contact us to inquire about availability.