Spectrogram and oscillogram of the advertisement call of Niceforonia brunnea. (ZSFQ 4507, SVL 19.8 mm, 8.2 °C air temperature, 91% relative humidity). Spectrogram obtained using the Hann window at 99% overlap, 1024 samples of FFT size and 3 dB filter bandwidth of 61.9 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