The two calls of the Hudson’s Canastero (Asthenes hudsoni), a comparison with those of other streak-backed canasteros and the erroneous records of the Austral Canastero (Asthenes anthoides) in Buenos Aires Province
Facultad de Ciencias Exactas y Naturales - Universidad de Buenos Aires - Argentina
Intendente Güiraldes 2160 - Ciudad Universitaria - C1428EGA - Tel. (+54 9 11) 5285-7400