a
Figure 7 a

Waveform and spectrogram.

Buceros hydrocorax hydrocorax

 
See whole plate
 
  Part of: Guerra SL, Gonzalez JCT, Rafael EF (2019) Description and comparison of Philippine hornbill (Bucerotidae) vocalizations. Biodiversity Data Journal 7: e31723. https://doi.org/10.3897/BDJ.7.e31723