Marty,
I vote with Doug for Butter Butts on 3 and 4. I do not know how to properl=
y
describe this but they do not have the complex tones often associated with =
a
Yellowrump - those songs are simpler tones but ours make those too.
Sometimes giving them fast and "chippy" enough to sound very much like a
Wilsons. Those guys have a great variety of songs at least up here. They
still surprise me from time to time. One very early morning in northern
Alberta (probably about 2 - 3 AM after birding till about 11 PM I kicked
poor Jim out of the tent quickly to identify a strange very rough sounding
two part warble. Best I can describe it is a Tennessee trying to immitate a
Butter But. He almost came in with a bucket of ice cold water for me becaus=
e
it was a Yellow Rump. Have a recording but it is not dug out yet and I am
not sure what tapes it is on. Incidentally we are in the area where the
Myrtle and Audubon hybridize to some extent. Most of those in the Alberta
part of the Boreal Forest look mainly Myrtle with a yellow throat from tim=
e
to time. In the foothills to the Rocks we start getting Audubon. Tail
spotting unreliable for banding deteriminations in central Alberta because
of influence of Audubon in the population. The vocalizations of our Audubo=
n
overlap at least to my ears with those of the Myrtle here.
Warblers etc often sing all night up there because it does not really get
dark - darkest it gets is probably like about half an hour before sunrise
(about time to start a BBS route) to the rest of the world. The poetry
about the Dawn Chorus sweeping around the globe particularly when you go
north was pretty funny to us since we realize that our dusk and dawn are no=
t
really separated by night.
Not familiar enough with the other two to comment
Barb Beck
Edmonton
-----Original Message-----
From: Doug Von Gausig
Sent: July 1, 2003 6:44 PM
To:
Subject: RE: [Nature Recordists] Help with the unknown
At 05:02 PM 7/1/2003, you wrote:
>Marty Wrote:
>Incidentally, I have 4 recordings that I would like both of you
>disbelievers to identify, I know the answers but I want you to show me
>what you know and Marty, they are not Rails!
>
><http://www.naturesound.org/Workshop.htm>http://www.naturesound.org/Worksh=
o
p.htm
I'll take a shot, with great trepidation!
1 & 2 could be Hermit Warblers
3 & 4 sound like Yellow-rumped.
Doug
Doug Von Gausig
Clarkdale, Arizona, USA
Moderator
Nature Recordists e-mail group
http://groups.yahoo.com/group/naturerecordists
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