Vocal Behavior of the Elusive Purple Frog of India (Nasikabatrachus sahyadrensis), a Fossorial Species Endemic to the Western Ghats
Figure 4
Comparison of vocalizations in Nasikabatrachidae and Sooglossidae.
Shown here are spectrograms depicting (top) three call groups from Nasikabatrachus sahyadrensis; (middle) one call of Sooglossus thomasetti; and (bottom) one call each from Sooglossus sechellensis, Sechellophryne gardineri, and Sechellophryne pipilodryas. The calls of Sooglossus thomasetti and Sooglossus sechellensis reprinted from [48] under a CC BY license, with permission from the Journal of Herpetology, original copyright [1982, Society for the Study of Amphibians and Reptiles]. The calls of Sechellophryne gardineri and Sechellophryne pipilodryas were provided courtesy Dr. Justin Gerlach.