On Mon, Jun 25, 2012 at 7:43 PM, Avocet <> wrote:
>
>
>
> > Indeed, there is no doubt that this is also the Nightingale, not a
> > frog.
>
> When I enhanced the stereo, as I said in my previous email, the call
> and the reply came from different directions, both calls centred on
> 5KHz. I used a band pass filter to confirm this. I won't argue about
> the species involved, but there were two distinctly separated
> indivuduals, one making a cheep and the second one a croak.
Maybe you could make your file available (possibly with a sonogram
as well), that might shed some light on the "problem".
> > A good example can be heard there:
> > http://www.xeno-canto.org/40384
>
> This "brrr" looked very different in the waveform view and the
> spectrogram from the "frog" and was not based on 5KHz. My money is
> still on an amphibian.
I stand firm, and am glad for you this money game is virtual ;-)
--Serge
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