[TN-Bird] Lesser Canada Goose?
- From: Bill Pulliam <bb551@xxxxxxxxxxxxx>
- To: TN-Bird <tn-bird@xxxxxxxxxxxxx>
- Date: Wed, 24 Jan 2007 21:49:23 -0600
At Bretton Ford (Tennessee NWR, Henry County), today January 24 2007--
There were about 10 smaller "Canada" Geese that looked to me like
what I always thought were the "Lesser Canada Geese" in my Colorado
days, B. c. parvipes. As is typical, they were all together in their
own subflock, separate from the bigger Canadas. They were small and
short-necked, but just not quite small, short-necked, square-headed,
or small-billed enough for me to want to call them Cacklers. As most
everyone has had to learn in the last year, this is the smallest
subspecies that is still included in the Canada Goose, B.
canadensis. Before the split, it was considered either the smallest
of the "large forms" or the largest of the "small forms,"
inconsistently. I found it to be the most common "small form" in
Colorado by far, vastly outnumbering true "cacklers." But my
impression had been that this was a western and southwestern bird
primarily. I didn't expect to encounter them this far east. What is
the situation? Is the "Lesser" Canada Goose an expected bird here?
Andf just to complicate things more, from what I understand, the
eastern Cackling Goose populations are the largest... and I'm not
even sure they can be reliably separated from Lesser Canadas all the
time.
???
Bill Pulliam
Hohenwald TN
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