FIGURE 1 in Advertisement call and male morphology of the Malagasy treefrog Boophis arcanus from the Ranomafana region, south-eastern Madagascar

FIGURE 1. Sonagrams and oscillograms of the advertisement call (a, b), and colour in life (c, d) of Boophis arcanus males from Beremby, Ranomafana region, Madagascar. Graph a) shows the entire call sequence, with three notes of note type 1, a series of type 2 notes, and a final note of type 1, recorded from specimen ZMB 77315. Graph b) represents the first six notes of the note series (of type 2 notes) and shows the pulsed structure of these notes. Photographs show dorsolateral (c) and ventral (d) view of male specimen ZMB 77316 (SVL= 24.8 mm).