>From the audio clips we are not talking about these birds.
Chipping Sparrow
Field Sparrow
Blue Jay
Pileated Woodpecker
Fainter:
Cow
Eastern Towhee
Northern Cardinal
Tufted Titmouse
Unknown sound starts at 2.5 seconds and go to 10 seconds and
19 seconds to 28 seconds.
>From the visual jpg you can see two examples of the unknown sound at:
3 to 12 seconds
52 to 103 seconds
This is a true ultrasonic call that only part of was recorded.
I am about 1 week out from return to this area to target that sound
specifically. I should have left my search for the Swamp Sparrow and
focused on that unk sound in hind site.
Rich Peet
PS to Mark
No Chuck-will's Widow found in Houston Cty by my search. Land types
looked very good but there also appeared to be a serious shortage of
Whip-por-will compared to the WI side of the Mississippi.
--- In Debbi B <> wrote:
> I'm not sure which song you are referring to (not that familiar with
> reading the visuals), but you're calling it a whistle, versus what I
call a
> trill (what the other folks have called Junco and Sparrow).
> I do hear what sounds like a Blue Jay in there (three times in the
first
> sample). As for the trill, how about Chipping Sparrow?
>
> At 08:19 AM 5/2/2005, you wrote:
> >State Line WI and IL in US.
> >Forrest edge 1/2 mile from any road or building.
> >
> >Hook shaped whistle decending clean then ascending not as clean.
> >Sometimes starts as low as 8,000 cycles and sometimes starts above
> >20,000. Duration also variable. Heard as well as recorded. Direction
> >could not be determined to get the dish on it. Frequency was about 1
> >time per min. I did not have 24/96 equipment with me this day to
> >capture the upper range. I will return for that if the sound is
natural.
> >
> >My best guess right now is Brown Headed Cow Bird. But I did not know
> >they could go ultrasonic.
> >
> >Visual sound 122kb download at:
> >http://home.comcast.net/~richpeet/unk.JPG
> >
> >Two sound examples 1.2 meg download at:
> >http://home.comcast.net/~richpeet/unk.mp3
> >
> >Any help?
> >
> >Rich Peet
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