{"data":[{"source":"bio.acousti.ca","id":"47846","topic":"behaviour","value":"Males of G. australis produce a loud calling song from specialized burrows similar to those constructed by G.vineae (Bennet-Clark, 1970). The calling song of G. australis is a loud trill produced for 20\u201430min at dusk on summer nights, when the soil temperature is above 15\u00b0C. At 23\u00b0C the call has a carrier frequency of 2-54 kHz and a pulse repetition frequency of about 70 Hz.","topic_link":"http:\/\/rs.tdwg.org\/ontology\/voc\/SPMInfoItems#Behaviour","info_url":"https:\/\/bio.acousti.ca\/node\/47846"}]}