{"data":[{"source":"bio.acousti.ca","id":"57458","topic":"behaviour","value":"The call of O. abreuae consists of a long train of syllables, which are occasionally paired, pro- duced at the rate of 10\u201312 syllables\/sec (at 20\u00b0C); mean syllable duration is 0.02985 (SD=0.00344, n=62), with the frequency peak at 13.2\u201321.8 kHz (Figs. 49D\u2013F). The call, produced by males only at night, is audible to the human ear from about 1\u20132 meters.","topic_link":"http:\/\/rs.tdwg.org\/ontology\/voc\/SPMInfoItems#Behaviour","info_url":"https:\/\/bio.acousti.ca\/node\/57458"}]}