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  1. S

    Strange noise in recording

    Yes, they sound like bat wing flaps. I have similar wide-spectrum flaps in my Audiomoth recordings and, in those rare cases I have recorded ultrasound, it is associated with flaps. To get flaps the bat of course needs to be quite close to the recorder.
  2. S

    Moth ID - Help please (UK)

    Then there is Photedes minima (Small Dotted Puff as you say). O. fasciuncula seems to vary with its whitish border. And I have a feeling of missing an obvious species but maybe that was one of those two, don't know.
  3. S

    Moth ID - Help please (UK)

    Oligia fasciuncula maybe?
  4. S

    Best field recorder with internal mics

    See Zach’s Recorder Recommendations – Zach Poff It points to Zoom H5. Another review: Macaulay Library Audio Gear Review And with respect to migration, maybe the Nocmig equipment options at https://nocmig.com/equipment/.