FIGURE 2 in Geographic variation and phylogenetic relationships of Myiopagis olallai (Aves: Passeriformes; Tyrannidae), with the description of two new taxa from the Northern Andes

FIGURE 2. Spectrograms of songs of selected Myiopagis flycatchers. (A) Andean grayish form from Bosque Guayabito, Amalfi, Antioquia, Colombia (IAvH-BSA 19580 by AMC, 24 January 2002); (B) Andean grayish form from Bosque Las Ánimas, Amalfi, Antioquia, Colombia (IAvH-BSA 19187 by AMC, 8 February 2002); (C and D) M. olallai from the type locality, Zamora-Chinchipe, Ecuador (ML 60232 by P. Coopmans, 20 June 1992); (E) M. caniceps caniceps from Río Grande do Sul, Brazil (ML 19532 by W. Belton, November 1975); (F) M. caniceps cinerea from Napo, Ecuador (by N. Krabbe, October 1994); (G) M. caniceps parambae from Pichincha, Ecuador (by P. Coopmans, February 1995). Panels C-G based on figure 1 in Coopmans & Krabbe (2000); reprinted with the written permission of the Wilson Ornithological Society, 3 February 2012.