Fig. 7 a–d in A third microendemic to the Iwokrama Mountains of central Guyana: a new "cryptic" species of Allobates Zimmerman and Zimmerman, 1988 (Anura: Aromobatidae)

Fig. 7 a–d Vocalisation of Allobates amissibilis sp. nov., holotype. a,b Expanded oscillograms of two notes from different calls, showing variation in amplitude modulation. c,d Spectral slices of the same notes