I'll ask! Do wind turbines make such a sound?
Doug
At 09:24 AM 8/1/2009, you wrote:
>
>
>Were there any wind turbines within a mile or so, Doug?
>
>Bernie
>
>On Aug 1, 2009, at 8:54 AM, Doug Von Gausig wrote:
>
> > I've posted a mystery sound that was sent to me by a man in
> > Michigan. His
> > explanation of the sound is attached, and I have cleaned it up and
> > boosted
> > it a bit for this sample. The sample is at
> >
> <http://www.naturesongs.com/mystery-riffert1.wav>http://www.naturesongs.com/mystery-riffert1.wav
>
> . Take a moment and
> > see if
> > you know what this might be.
> >
> > Thanks!
> >
> > Doug
> >
> > Location: Midland, Michigan-USA
> >
> > Habitat: We live about 6 miles north of Midland in a rural area. We
> > have
> > about 2 acres, with the back half being wooded. Our road is a dead end
> > with little traffic and is about half farm fields (corn and field
> > grains
> > grown)...there is a small cluster of about 4 houses at the near end
> > of our
> > road (including ours)...behind all of our houses is a large woods
> > (1/2 mile
> > wide by 2 miles long which is also connected to other woods in a
> > fairly
> > continuous stretch that heads into northern Michigan which is
> > generally a
> > wooded area). Our local woods are very low lying and are often wet
> > (even
> > sometimes in the middle of summer). The area is very quiet (you can
> > hear
> > neighbors talking very lowly) and this sound dominates many nights.
> >
> > Time of day: we have only ever heard the sound after dark and usually
> > early in the night (approx 10pm to about 1am)...and only in the summer
> > (June, July, August)
> >
> > A recording is attached...it is not of great quality as I recorded
> > it with
> > a digital camera with a tiny microphone (it is actually a video
> > clip, but
> > since it is dark, nothing can be seen)...the clip is about 14
> > seconds and
> > the sound is at the end at around 12 seconds. Your volume will need
> > to be
> > turned up.
> >
> > The sound is repetitive occurring at about 15-20 second intervals
> > for long
> > periods of time (up to hours at a time). On the recording I only
> > captured
> > one cycle of the sound being made...sorry). My wife at first mistook
> > the
> > sound for a neighbor sawing boards on a table saw of sorts b/c of the
> > repetitive nature and the quick ascending noise...reminiscent (to her
> > anyway) of a board being quickly sawed. I do not remember hearing the
> > noise last year (2008) but definitely heard it in 2007 and this
> > year. This
> > is not to say that I did not hear it in 2008, but I sure do not
> > remember it.
> >
> > There only seems to be one of the creature making the noise...as I am
> > unable to discern another variant. Occasionally, the area the sound
> > comes
> > from changes (especially after I went in search of it, it moved
> > farther
> > back into the woods).
> > ***************************************
> > Doug Von Gausig
> > Natural Sounds and Photos at:
> > <http://naturesongs.com>http://naturesongs.com
> > More Photos at:
> > <http://www.criticaleyephoto.com>http://www.criticaleyephoto.com
> > Clarkdale, Central Arizona, USA
> > ***************************************
> >
> >
> >
>
>Wild Sanctuary
>POB 536
>Glen Ellen, CA 95442
>707-996-6677
><http://www.wildsanctuary.com>http://www.wildsanctuary.com
><chirp%40wildsanctuary.com>
>Google Earth zooms:
><http://earth.wildsanctuary.com>http://earth.wildsanctuary.com
>SKYPE: biophony
>
>
>
***************************************
Doug Von Gausig
Natural Sounds and Photos at:
http://naturesongs.com
More Photos at:
http://www.criticaleyephoto.com
Clarkdale, Central Arizona, USA
***************************************
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause
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