Figure 7 from: Marcondes RS, Silveira LF (2015) A taxonomic review of Aramides cajaneus (Aves, Gruiformes, Rallidae) with notes on morphological variation in other species of the genus. ZooKeys 500: 111-140. https://doi.org/10.3897/zookeys.500.7685

Figure 7 - Spectrogram of the typical phrase of the song of the Central American component of the Aramides cajaneus species complex (LNS 23152). Note that this spectrogram is not in the same scale as the spectrogram in Figure 6.