FIGURE 3. Call A in Review of bioacoustical traits in the genus Physalaemus Fitzinger, 1826 (Anura: Leptodactylidae: Leiuperinae)

FIGURE 3. Call A of Physalaemus nattereri. Oscillograms (A, C, and E) and audiospectrograms (B, D, and F). Sequence of groups of call (A and B). A single typical call (C and D). A single call with a variant envelope (E and F). Horizontal scale bars have 0.2 s; vertical scale bars have 1 kHz. Filter bandwidth (Hz): 92.1 (F); 67.4 (B); 92.1 (D).