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
| Nyctalus | 1 |
| Pipistrellus | 1 |
| Plecotus | 1 |
| 4 Bat social calls - probably Pipistrelle sp. | 0:55 |
| 40 Noctule Bat Roost | 0:34 |
| 41 Brown Long-eared Bat alarm calls (Roger Noughton) | 0:26 |