Spectrogram and oscillogram of the advertisement call of Nymphargus sp. (ZSFQ 6778, SVL 25. 68 mm, 10.3 °C air temperature, 96% relative humidity). Spectrogram obtained using the Hann window at 99% overlap, 256 samples of FFT size and 3 dB filter bandwidth of 248 Hz.

 
 
  Part of: Batallas D, Márquez R, Guayasamin JM (2025) Sounds of the northern Andes: the calls of a diverse and endangered frog community (Amphibia, Anura) from Ecuador. ZooKeys 1224: 211-252. https://doi.org/10.3897/zookeys.1224.137972