FIGURE 6 in A taxonomic assessment of Chlorospingus flavopectus phaeocephalus and Chlorospingus semifuscus (Passeriformes: Passerellidae), including the description of a new subspecies

FIGURE 6. Structural differences in dawn song elements. Between C. s. semifuscus, "a" notes, pre-trill notes ("b" and "c"), trill, and posttrill notes ("d" and "e"), C. "El Oro", the order of "c" + "b" notes in C. "El Oro" follow our comparisons with C. s. semifuscus (see Table 3 for descriptions per note) and C. f. phaeocephalus, notes "a" + "a1", notes "b", trill and notes "c". Bird artwork by Carmen Lu Páez.