. . . "Songs of 96 common birds found east of the Rockies."@en . . . "Guidebooks"@en . . "Guidebooks" . . "Birding by ear"@en . "Designed to help birders recognize the songs and calls of ninety species of birds found in eastern and central North America, including virtually all of the warblers, many finches and sparrows, waders, gulls, terns, and others."@en . "More birding by ear-- eastern/central a guide to bird identification"@en . "Eastern/central more birding by ear"@en . . "More birding by ear Eastern/central"@en . . . "More birding by ear eastern/central"@en . . "More birding by ear. Eastern/Central"@en . "More birding by ear Eastern/Central" . . . . . "Eastern, central more birding by ear"@en . "Eastern/Central"@en . . . . . . . . . "More birding by ear. Eastern, central"@en .