**Acknowledgements**

The authors would like to thank Isabella Clemens, Laura Schnabl, and Hannes Egger for providing critical feedback on figures. Funding was provided through FFG COIN project number 884138, "Biodiversity Monitoring Technologies – test, development and transfer of disruptive engineering technologies into conservation practice" and the Austrian Federal Ministry for Digital and Economic Affairs (BMDW)." Mention of the BMDW is required by our funding sources. All opinions, findings, conclusions, and recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of funding agencies.
