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
Philautus aermiculatus, BM 1974.4805, temperature unknown, recorded at 1280 m., Gunung Lawit, Malaya. An apparently complete call series includes 14 calls in 4.75 sec. Intervals between calls are 0.15-0.21 sec. The call consists of an indistinctly pulsed section (duration 0.03 sec.), a series of seven pulses (duration 0.04-0.05 sec.), and an unpulsed section (duration 0.01-0.015 sec.). Amplitude modulation is distinct. Fre- quency modulation is weak or absent: the dominant (fundamental) frequency is 1.8-2.6 khz., and there are harmonics at least at 3.6-4.2 and 5.4-5.8 khz.