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
Bakker, Wim; Bouwman, Jaap; Brekelmans, Floris; Colijn, Ed; Felix, Rob P. W. H.; Grutters, Mark; Kerkhof, Wilbert; Kleukers, Roy (2015). De Nederlandse sprinkhanen en krekels (Orthoptera). Nederlandse Entomologische Vereniging, 8: 248.
Where the specimens that recordings are of were collected, not where the sound was recorded