The Indian purple frog (Nasikabatrachus sahyadrensis) is a unique and elusive endangered species found in the Western Ghats of India. These frogs typically call from underground in excavated burrows or nests in the soil, however, this clip shows a wild male frog calling from above ground. Read more about the study on PLOS ONE: www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0084809 Citation: Thomas A, Suyesh R, Biju SD, Bee MA (2014) Vocal Behavior of the Elusive Purple Frog of India (Nasikabatrachus sahyadrensis), a Fossorial Species Endemic to the Western Ghats. PLoS ONE 9(2): e84809. doi:10.1371/journal.pone.0084809