"Birds East (U.S.)" . . "Audiorecord." . . . . . . . . . "Common bird songs"@en . . "Common bird songs" . . . . . . . . . "Field recordings of the songs of 60 of the most common birds of the Eastern and Central United States and Canada. Includes a fully illustrated booklet, describing and commenting on the songs and calls on the recording."@en . . "Presents the songs and calls of various birds found in the United States." . . "Birdsongs." . . "Birds Canada." . . . .