FIGURE 4 in Complicated histories: three new species of poison frogs of the genus Ameerega (Anura: Dendrobatidae) from north-central Peru

FIGURE 4. Advertisement calls of Ameerega yoshina, A. pepperi, and A. bassleri. (A) A. yoshina standard advertisement call, field recording from 1.6 km SE of Callanayacu, San Martín, 25.5 C, 19 July 2007. Dominant frequency 3244 Hz. (B) A. yoshina short call, same location, temperature, and date as previous. Dominant frequency 3141 Hz. (C) A. pepperi advertisement call, field recording from near Polvora, San Martín, 24.5 C, 8 November 2008. Dominant frequency 2749 Hz. (D) A. bassleri advertisement call, field recording from 5.7 km NE of Roque, San Martín, 26.5 C, 16 June 2007. Dominant frequency 2714 Hz. See Fig. 3 for map of localities.