FIGURE 2 in A taxonomic revision of the Paramo Tapaculo Scytalopus canus Chapman (Aves: Rhinocryptidae), with description of a new subspecies from Ecuador and Peru

FIGURE 2. Complete songs of (A) Scytalopus c. canus from Frontino, Antioquia, Colombia, (B) northern S. c. opacus from Azuay, Ecuador, and (C) southern S. c. opacus from Zamora-Chinchipe, Ecuador. Notice that in S. c. canus the pitch falls rapidly in the beginning of the song. As in the example shown, most songs of northern S. c. opacus have one to three introductory notes. The song length of all three ranges from 4 to 12 s.