To me the call note is like a short blow on a high pitched police
whistle...
"drrreet", very distinctive.

Rick Romea wrote:
> They also
> have a distinctive dry chip note that is very different from your average
> Song Sparrow's 'bark!'.
>
> Rick Romea
> romea at pmel.noaa.gov
> Seattle,WA

--
Mike Patterson
Expounder of Scientific Wisdom
Astoria High School, Astoria OR
http://columbia-pacific.interrain.org/ahscience/

"The thing I like best about God
is not truth or beauty, but irony..."
from the play Hapwood by Tom Stoppard