| Species | Country | Recording method | Type | ChiroVox UID | | Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005097 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005096 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005095 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005094 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005093 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005092 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005091 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005090 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005089 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005088 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005087 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005086 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005085 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005084 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005083 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005082 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005081 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005080 |
| Pipistrellus pygmaeus | Bulgaria | Free flying | Real time | A005079 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005078 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005077 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005076 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005075 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005074 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005073 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005072 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005071 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005070 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005069 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005068 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005067 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005066 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005065 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005064 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005063 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005062 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005061 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005060 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005059 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005058 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005057 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005056 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005055 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005054 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005053 |
| Pipistrellus pipistrellus | Bulgaria | Free flying | Real time | A005052 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005051 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005050 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005049 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005048 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005047 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005046 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005045 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005044 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005043 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005042 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005041 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005040 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005039 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005038 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005037 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005036 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005035 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005034 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005033 |
| Nyctalus noctula | Bulgaria | Free flying | Real time | A005032 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005031 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005030 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005029 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005028 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005027 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005026 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005025 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005024 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005023 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005022 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005021 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005020 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005019 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005018 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005017 |
| Nyctalus leisleri | Bulgaria | Free flying | Real time | A005016 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005015 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005014 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005013 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005012 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005011 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005010 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005009 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005008 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005006 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005007 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005005 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005004 |
| Nyctalus lasiopterus | Bulgaria | Free flying | Real time | A005003 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A005002 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A005001 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A005000 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A004999 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A004998 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A004997 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A004996 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A004995 |
| Hypsugo savii | Bulgaria | Free flying | Real time | A004994 |
| Eptesicus serotinus | Bulgaria | Free flying | Real time | A004993 |
| Eptesicus serotinus | Bulgaria | Free flying | Real time | A004992 |
| Eptesicus serotinus | Bulgaria | Free flying | Real time | A004991 |
| Eptesicus serotinus | Bulgaria | Free flying | Real time | A004990 |
| Eptesicus serotinus | Bulgaria | Free flying | Real time | A004989 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005098 |
| Rhinolophus ferrumequinum | Bulgaria | Free flying | Real time | A005099 |