These preservation master files are publicly available in Archives New Zealand's catalogue, Archway.
These files are COPYRIGHT © ARCHIVES NEW ZEALAND

Files included in this set are: 

Cat No.   | File Title                                             | File Size
-----------------------------------------------------------------------------------------
R18411026   PM_R18411026_Yellow-breasted_Tit.wav                     124,841,898 bytes
R18411030   PM_R18411030_Tui.wav                                     142,738,508 bytes
R18411031   PM_R18411031_Tui.wav                                     141,181,122 bytes
R18411032   PM_R18411032_Tui.wav                                     135,273,556 bytes
R18411033   PM_R18411033_Tui.wav                                     138,431,572 bytes
R18411035   PM_R18411035_Grey_Duck(Parera).wav                       18,183,400 bytes
R18411049   PM_R18411049_W5522_20.wav                                94,569,022 bytes
R18411051   PM_R18411051_North_Island Fantail_(Piwakawaka)wav.wav    36,894,882 bytes
R18411087   pm_R18411087_Bellbird_Korimako, Makomako.wav             209,331,806 bytes
R18411110   pm_R18411110_North_Island_Kokako.wav                     141,714,674 bytes
R18411156   PM_R18411156_North_Island_Kaka.wav                       139,661,858 bytes
R21599279   PM_R21599279_KB_County.wav                               175,248,330 bytes
R24349814   PM_R24349814_Runaway_Film_In_NZ.wav                      1,004,546,872 bytes
R24349864   PM_R24349864_E_PA_TO_HAU.wav                             70,627,388 bytes
R24349865   PM_R24349865_TUHOE.wav                                   228,500,974 bytes

Total Size: 2,801,745,896 bytes

Presentation copies of these records can be found at the following locations:

R18411026   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411026&digital=yes
R18411030   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411030&digital=yes
R18411031   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411031&digital=yes
R18411032   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411032&digital=yes
R18411033   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411033&digital=yes
R18411035   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411035&digital=yes
R18411049   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411049&digital=yes
R18411051   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411051&digital=yes
R18411087   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411087&digital=yes
R18411110   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411110&digital=yes
R18411156   https://www.archway.archives.govt.nz/ViewFullItem.do?code=18411156&digital=yes
R21599279   https://www.archway.archives.govt.nz/ViewFullItem.do?code=21599279&digital=yes
R24349814   https://www.archway.archives.govt.nz/ViewFullItem.do?code=24349814&digital=yes
R24349864   https://www.archway.archives.govt.nz/ViewFullItem.do?code=24349864&digital=yes
R24349865   https://www.archway.archives.govt.nz/ViewFullItem.do?code=24349865&digital=yes