Contributor
Willi Thonen Media from this contributor
Date
Unknown
Location
Switzerland Media from this location Illustrated Checklist
- Age and sex
- Unknown age, Unknown sex - 1
- Sounds
- Call
- Playback
- Playback used
Technical information
- Recorder
- Microphone
- Accessories
Archival information
- Cataloged
- 30 Aug 2012 - Martha Fischer
- Digitized
- 9 Oct 2012 - Jay McGowan
- Edited
- 9 Feb 1982 - Gregory Budney