FIGURE 48. Call A in Review of bioacoustical traits in the genus Physalaemus Fitzinger, 1826 (Anura: Leptodactylidae: Leiuperinae)

FIGURE 48. Call A of Physalaemus santafecinus. Oscillograms (A and C) and audiospectrograms (B and D). A typical call (A–B). A variant call with a different envelope and spectral features (C–D). Note the different slopes in the FM segments (D). Horizontal scale bars have 0.1 s; vertical scale bars have 1 kHz. Filter bandwidth (Hz): 84.6 (B and D).