Types of calls analyzed in this study, classified based on their temporal characteristics and note-centered focus (Köhler et al. 2017; Emmrich et al. 2020). A non-pulsed simple call (Pristimantis sp. 4; Pristimantis myersi; ZSFQ 4427) B call with uniform non-pulsed notes (Hyloxalus sp.; ZSFQ 4442) C call with one pulsed note (Centrolene buckleyi; DHMECN 13375) D call with uniform pulsed notes (Pristimantis sp. 5; Pristimantis myersi group; DHMECN 13334) E complex call (Pristimantis sp. 3; Pristimantis myersi; ZSFQ 4554).

 
 
  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