Fig. 6 in A new cryptic species of Pithecopus (Anura, Phyllomedusidae) in north-eastern Brazil

Fig. 6 (next page). Spectrograms (above) and oscillograms (below) of the advertisement call of Pithecopus gonzagai sp. nov. (A–B) and P. nordestinus (Caramaschi, 2006) (C–D). A. Spectrogram and corresponding oscillogram of the call of P. gonzagai sp. nov. with no isolated pulse, just the core, from the type locality, municipality of Limoeiro, state of Pernambuco, 17 May 2011, 19:35, air temperature 28ºC (FNJV 12231). B. Spectrogram and corresponding oscillogram of the call of P. gonzagai sp. nov. with one isolated low-amplitude pulse after the core, recorded in the municipality of Araruna, state of Paraíba, 22 May 2011, 20:45, air temperature 29ºC (FNJV 12233). C. Oscillogram of two advertisement calls of P. nordestinus: the first with two isolated low-amplitude pulses after the core, and the second without isolated pulses (FNJV 12244). D. Spectrogram and corresponding oscillogram of the advertisement call of P. nordestinus from the section highlighted in red in C, recorded in the municipality of Areia Branca, state of Sergipe, 5 May 2011, 21:22, air temperature 27ºC (FNJV 12244). Purple lines highlight the cores of the calls.