{"data":[{"source":"bio.acousti.ca","id":"47440","topic":"behaviour","value":"Its song is an even, very loud buzzing, so that individual syllables cannot be distinguised. The rate of wing-vibration is similar to that of T. viridissima, but the individual syllables are equally saced, so that the song seems to be a uniform buzz. Only in very cool weather is the rate of wing vibration slow enough for individual syllables to be clearly audible.","topic_link":"http:\/\/rs.tdwg.org\/ontology\/voc\/SPMInfoItems#Behaviour","info_url":"https:\/\/bio.acousti.ca\/node\/47440"}]}