FIGURE 25 in An inordinate fondness for inconspicuous brown frogs: integration of phylogenomics, archival DNA analysis, morphology, and bioacoustics yields 24 new taxa in the subgenus Brygoomantis (genus Mantidactylus) from Madagascar

FIGURE 25. Audiospectrogram and corresponding oscillogram of one advertisement call from a call series of Mantidactylus ulcerosus (first call of a call series containing four calls), recorded on 10 February 1992 at the type locality Nosy Be. Recording bandpass-filtered at 700–7000 Hz.