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
Jacobs, David Steve; Bastian, Anna (2016). Predator-Prey Interactions: Co-evolution between Bats and their Prey. Springer.
Where the specimens that recordings are of were collected, not where the sound was recorded