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
Winking-Nikolay, Adelheid (1975). Untersuchungen zur Bio-Akustik des Waldmistkäfers, Geotrupes stercorosus Scriba. Zeitschrift für Tierpsychologie, 37(5): 515 - 541.
Where the specimens that recordings are of were collected, not where the sound was recorded