FIGURE 8 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species

FIGURE 8. Advertisement calls of Gastrotheca cuencana (A–D) and G. litonedis (E–H): (A) oscillogram of a three notes section of the call, (B) oscillogram of a single note, (C) spectrogram of a single note, (D) power spectrum of a single note, (E) oscillogram of a four notes section of the call, (F) oscillogram of a single note, (G) spectrogram of a single note, (H) power spectrum of a single note. All spectrograms at Hanning window function, 512 bands resolution. See text for details.