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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>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>
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