{"data":[{"source":"bio.acousti.ca","id":"57460","topic":"behaviour","value":"The call of O. incisus consists of short, 0.5\u20130.9 s trains of syllables produced at the rate of 20\u201330 syllables\/sec; (at 22\u00b0C); mean syllable duration is 0.01954 (SD=0.00200, n=84), with the frequency peak at 14.6\u201322.6 kHz (Figs. 49A\u2013C). The call, produced by the males only at night, is soft and barely audible to the human ear.","topic_link":"http:\/\/rs.tdwg.org\/ontology\/voc\/SPMInfoItems#Behaviour","info_url":"https:\/\/bio.acousti.ca\/node\/57460"}]}