| Species | Country | Recording method | Type | ChiroVox UID | | Hypsugo savii | Bulgaria | Free fly | Real time | A004538 |
| Hypsugo savii | Bulgaria | Free fly | Real time | A004539 |
| Hypsugo savii | Bulgaria | Free fly | Real time | A004540 |
| Hypsugo savii | Bulgaria | Free fly | Real time | A004541 |
| Hypsugo savii | Bulgaria | Free fly | Real time | A004542 |
| Hypsugo savii | Bulgaria | Free fly | Real time | A004543 |
| Hypsugo savii | Bulgaria | Free fly | Real time | A004544 |
| Barbastella barbastellus | Bulgaria | Free fly | Real time | A004545 |
| Barbastella barbastellus | Bulgaria | Free fly | Real time | A004546 |
| Barbastella barbastellus | Bulgaria | Free fly | Real time | A004547 |
| Barbastella barbastellus | Bulgaria | Free fly | Real time | A004548 |
| Barbastella barbastellus | Bulgaria | Free fly | Real time | A004549 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004550 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004551 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004552 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004553 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004554 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004555 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004556 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004557 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004558 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004559 |
| Eptesicus nilssonii | Bulgaria | Free fly | Real time | A004560 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004561 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004562 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004563 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004564 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004565 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004566 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004567 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004568 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004569 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004570 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004571 |
| Eptesicus serotinus | Bulgaria | Free fly | Real time | A004572 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004573 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004574 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004575 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004576 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004577 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004578 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004579 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004580 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004581 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004582 |
| Myotis bechsteinii | Bulgaria | Free fly | Real time | A004583 |
| Myotis brandtii | Bulgaria | Free fly | Real time | A004584 |
| Myotis brandtii | Bulgaria | Free fly | Real time | A004585 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004586 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004587 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004588 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004589 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004590 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004591 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004592 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004593 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004594 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004595 |
| Myotis daubentonii | Bulgaria | Free fly | Real time | A004596 |
| Myotis emarginatus | Bulgaria | Free fly | Real time | A004597 |
| Myotis emarginatus | Bulgaria | Free fly | Real time | A004598 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004599 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004600 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004601 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004602 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004603 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004604 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004605 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004606 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004607 |
| Myotis myotis | Bulgaria | Free fly | Real time | A004608 |
| Myotis mystacinus | Bulgaria | Free fly | Real time | A004609 |
| Nyctalus lasiopterus | Bulgaria | Free fly | Real time | A004610 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004611 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004612 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004613 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004614 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004615 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004616 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004617 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004618 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004619 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004620 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004621 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004622 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004623 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004624 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004625 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004626 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004627 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004628 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004629 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004630 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004631 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004632 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004633 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004634 |
| Nyctalus leisleri | Bulgaria | Free fly | Real time | A004635 |
| Nyctalus noctula | Bulgaria | Free fly | Real time | A004636 |
| Nyctalus noctula | Bulgaria | Free fly | Real time | A004637 |
| Nyctalus noctula | Bulgaria | Free fly | Real time | A004638 |
| Pipistrellus pipistrellus | Bulgaria | Free fly | Real time | A004639 |
| Pipistrellus pipistrellus | Bulgaria | Free fly | Real time | A004640 |
| Pipistrellus pipistrellus | Bulgaria | Free fly | Real time | A004641 |
| Plecotus auritus | Bulgaria | Free fly | Real time | A004642 |
| Plecotus auritus | Bulgaria | Free fly | Real time | A004643 |
| Plecotus auritus | Bulgaria | Free fly | Real time | A004644 |
| Plecotus auritus | Bulgaria | Free fly | Real time | A004645 |
| Plecotus auritus | Bulgaria | Free fly | Real time | A004646 |
| Plecotus auritus | Bulgaria | Free fly | Real time | A004647 |
| Rhinolophus hipposideros | Bulgaria | Free fly | Real time | A004648 |
| Rhinolophus hipposideros | Bulgaria | Free fly | Real time | A004649 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004650 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004651 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004652 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004653 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004654 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004655 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004656 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004657 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004658 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004659 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004660 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004661 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004662 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004663 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004664 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004665 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004666 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004667 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004668 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004669 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004670 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004671 |
| Tadarida teniotis | Bulgaria | Free fly | Real time | A004672 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004673 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004674 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004675 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004676 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004677 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004678 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004679 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004680 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004681 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004682 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004683 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004684 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004685 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004686 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004687 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004688 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004689 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004690 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004691 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004692 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004693 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004694 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004695 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004696 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004697 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004698 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004699 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004700 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004701 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004702 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004703 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004704 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004705 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004706 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004707 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004708 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004709 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004710 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004711 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004712 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004713 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004714 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004715 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004716 |
| Vespertilio murinus | Bulgaria | Free fly | Real time | A004717 |