FIGURE 1 in A taxonomic revision of the Paramo Tapaculo Scytalopus canus Chapman (Aves: Rhinocryptidae), with description of a new subspecies from Ecuador and Peru

FIGURE 1. Half second sequences of 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 the churring, higher pitched and much slower paced notes of S. c. canus. Differences in note quality between northern and southern S. c. opacus are not constant.