Figure 12 from: Ron S, Caminer M (2014) Systematics of treefrogs of the Hypsiboas calcaratus and Hypsiboas fasciatus species complex (Anura, Hylidae) with the description of four new species. ZooKeys 370: 1-68. https://doi.org/10.3897/zookeys.370.6291

Figure 12 - Calls of the Hypsiboas calcaratus species complex. A–B Hypsiboas fasciatus (QCAZ 48585) from La Pradera, Provincia Morona Santiago C–D Hypsiboas almendarizae (QCAZ 39650) from Limón, Provincia Morona Santiago E–F Hypsiboas calcaratus (QCAZ 40085) from Tena, Provincia Napo. A, C, E are oscilograms and B, D, F spectrograms.