{"data":[{"source":"bio.acousti.ca","id":"57468","topic":"behaviour","value":"Males call at night from tall clumps of grass, producing a long, uninterrupted train of short sylla- bles at the rate of 15\u201323 syllables\/s (at 26\u00b0C), each syllable contains a short impulse created by the tegmina opening and a longer group of impulses produced by the tegmina closing; mean syllable duration is 0.05147 (SD=0.08954, n=89); the peak frequency of the call is 14.6\u201316.9 kHz (Figs. 50A\u2013C). The call is audible to the human ear from a few meters as a very soft buzz.","topic_link":"http:\/\/rs.tdwg.org\/ontology\/voc\/SPMInfoItems#Behaviour","info_url":"https:\/\/bio.acousti.ca\/node\/57468"}]}