FIGURE 5 in The use of bioacoustics in anuran taxonomy: theory, terminology, methods and recommendations for best practice

FIGURE 5. Spectrograms and oscillograms of anuran advertisement calls conforming to the general sound categories proposed by Beeman (1998) for animals (and slightly modified herein). All graphics produced with the R package Seewave (Sueur et al. 2008a), from recordings of AmphibiawebEcuador.org (Hypsiboas tetete: Hylidae), Dendrobates.org (Andinobates fulguritus: Dendrobatidae), Vences et al. (2006) (Rhombophryne coronata: Microhylidae), Du Preez & Carruthers (2009) (Ptychadena anchietae: Ptychadenidae; Tomopterna marmorata and Amietia angolensis: Pyxicephalidae), Cocroft et al. (2001) (Ceratophrys cornuta: Ceratophryidae), Elliot et al. (2009) (Dryophytes andersonii: Hylidae). All spectrograms at Hanning window function, 512 bands resolution.