Hi Jim,
This recording is helpful. I wonder if anyone has recorded a single
bird of known sex to verify that both genders make both sounds? Also
helpful would be a recording of a single bird flying by while making
both sounds. I only seem to have pairs or groups making the both
sounds at once. Your recording of a flock making one sound then the
other is also very interesting.
Kevin Colver
On Aug 29, 2007, at 8:09 AM, Jim Morgan wrote:
> Hi Kevin,
>
> Your thoughts about flight calls are thought provoking. I have
> added a short
> recording of a small flock of Snow Geese that may give some clues
> as to
> there vocalization behavior. As you can see from my notes, they were
> relatively calm and giving the high pitched calls but they soon became
> agitated and the calls became more grunt like and they flew off
> grunting
> like crazy. Unfortunately Martyn, they flew off before I could
> offer them
> any tea for their grunts.
>
> Thanks to Professor Walt Anderson for the recorded narration.
>
> Jim
>
> 1-17 (0:31) Snow Goose - Recording 1: Calls of a small group of 35
> Snow
> Geese at 50 feet. The recording was made from inside a car. As I
> started to
> get out of the car, the birds began flying away. (Recorded by Jim
> Morgan,
> Bosque del Apache, NM, 1/11/00, 11:03 am) Recording No. 14-9
>
> > You can access the file at the URL:
> >
> http://groups.yahoo.com/group/naturerecordists/files/0146-1%20Snow%
> 20Geese%20small%20group%2014%209%20%20R6%20.mp3
>
>
>
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