Please be patient while sound file is loaded. You may have to increase volume settings.
If you did not hear the sound. Click here to download sound file.
| Sound produced | yes, active sound production |
| Type of sound produced | rattling sounds, snaps or cracks (very broadband) |
| Sound production organ | probably teeth |
| Sound mechanism | not known, but probably stridulation of teeth or bones |
| Behavioural context | spontaneous nocturnal sound production associated with foraging activities |
| Reference | Tiepelt, H., 2005 |
| Remark | outdoor recording (freshwater lake) |