Ovonotus abreuae
General description:
Behaviour:
The call of O. abreuae consists of a long train of syllables, which are occasionally paired, pro- duced at the rate of 10–12 syllables/sec (at 20°C); mean syllable duration is 0.02985 (SD=0.00344, n=62), with the frequency peak at 13.2–21.8 kHz (Figs. 49D–F). The call, produced by males only at night, is audible to the human ear from about 1–2 meters. [1]