المؤلفون: Beadle, David, 1961-

المساهمون: Leckie, Seabrooke.

مصطلحات موضوعية: Moths -- Northeastern States -- Identification., Moths -- Canada, Eastern -- Identification.

المؤلفون: Beadle, David, 1961-

المساهمون: Rising, Jim.

مصطلحات موضوعية: Emberizidae -- Canada -- Identification., Emberizidae -- United States -- Identification., Emberizidae -- United States -- Pictorial works., Emberizidae -- Canada -- Pictorial works., Guidebooks., Pictorial works.

المؤلفون: Jaramillo, Alvaro, 1967-

المساهمون: Burke, Peter, 1967-, Beadle, David, 1961-

مصطلحات موضوعية: Birds -- Chile -- Identification., Birds -- Chile.

المؤلفون: Rising, Jim.

المساهمون: Beadle, David, 1961-

مصطلحات موضوعية: Sparrows -- North America -- Identification., Sparrows -- United States., Sparrows -- Canada., Sparrows -- North America -- Geographical distribution., Guidebooks.

المؤلفون: Curson, Jon.

المساهمون: Quinn, David, 1959-, Beadle, David, 1961-

مصطلحات موضوعية: Wood warblers -- America -- Identification., Wood warblers -- America -- Pictorial works., Guidebooks., Pictorial works.