BioAcoustica is a free, open repository of wildlife sound recordings from the Natural History Museum, London.
Taxonomic index of the BioAcoustica collection
Acoustic and biological measurements in the BioAcoustica collection
Recording annotations from ann-o-mate
The specimens that recordings are of, from the collections
Where the specimens that recordings are of were collected, not where the sound was recorded
Calling song. – 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.