Thanks again Bernie, your comments about Jeff Lucas and his work.
Here is a web page on Jeff Lucas that some of you might be interested in.
http://www.bio.purdue.edu/people/faculty/index.php?refID=3D27
Jim
On Wed, Jul 20, 2011 at 9:01 AM, Bernie Krause <>wro=
te:
> **
>
>
> Fascinating to see how much energy is expressed between 6 & 10kHz,
> Jim. And there's a lot of information, there, for sure.
>
> Jeff Lucas (Purdue University) has demonstrated that species he's
> been looking at actually have the ability to pitch- and time-shift
> when receiving signals so that what they hear would tend to fit within
> the biophonic structure of the given habitat they occupy.
>
> Bernie
>
>
> On Jul 20, 2011, at 8:27 AM, Jim Morgan wrote:
>
> > I find it difficult to fully appreciate the complexity of the
> > Grasshopper
> > Sparrow's song. To my ears, and they suffer from old age, the song
> > sounds
> > like an ordinary insect buzz. Of course this is the reason it is
> > caller a
> > grasshopper Sparrow.
> >
> > Anyway I am posting a spectrogram if it's song and it sure doesn't
> > look like
> > a simple buzz. Instead you see a very complex series of different
> > notes,
> > many of which I cant even hear.
> >
> > When I look at the spectrogram I get a better appreciate the effort
> > this
> > little bird puts into it's song.
> >
> > So for those of you that are interested here is the spectrogram:
> >
> >
> https://picasaweb.google.com/fundador.photos/Temp?authkey=3DGv1sRgCKzpsJL=
J27HcMQ
> > #5631299589922746226
> >
> > Jim Morgan
> > Prescott, AZ
> >
> >
> >
> >
> >
> > ------------------------------------
> >
> > "While a picture is worth a thousand words, a
> > sound is worth a thousand pictures." R. Murray Schafer via Bernie
> > Krause.
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
> Wild Sanctuary
> POB 536
> Glen Ellen, CA 95442
> 707-996-6677
> http://www.wildsanctuary.com
>
> Google Earth zooms: http://earth.wildsanctuary.com
> SKYPE: biophony
>
>
>
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