{"data":[{"source":"bio.acousti.ca","id":"47737","topic":"behaviour","value":"Calling song. \u2013 Long, continuous trill with alternately low pitched (LP) and high pitched (HP) bouts (Desutter-Grandcolas 1998; Robillard and Desutter-Grandcolas 2004b). LP and HP song parts very regular in duration and frequency: LP, mean duration 262 ms, dominant frequency 4.4 kHz; HP, mean duration 179 ms, dominant frequency 14 kHz.","topic_link":"http:\/\/rs.tdwg.org\/ontology\/voc\/SPMInfoItems#Behaviour","info_url":"https:\/\/bio.acousti.ca\/node\/47737"}]}