There are four species of this genus found in NSW; however only
Nyctophilus geoffroyi (Lesser long-eared bat) and
Nyctophilus gouldi (Gould’s long-eared bat)
are possible to find in the areas where these recordings are made.
It is probably not possible to separate them by echolocation:
Echuca Moama EES 5 B Attachment 5_Appendix 11 Gration 2015 Bat Peer Review 150416