Landscape perception by forest understory birds in the Atlantic Rainforest: black-and-white versus shades of grey - Hansbauer, Miriam M; Storch, Ilse; Knauer, Felix; Pilz, Stefan; Küchenhoff, Helmut; Végvári, Zsolt; Pimentel, Rafael G.; Metzger, Jean-Paul (Landscape Ecology, 2010)