I believe this year's bumper crop of American mountain-ash (Sorbus
Americana) berries are the likely cause of the high elevation Robin
I did some work above 2000' in NH a few weeks ago with a UNH graduate
student and saw large numbers of Robins and other birds foraging on
mountain-ash. He also reported that 90% of the marten scat he had seen was
comprised of mountain-ash berries. The snow beneath these trees looked
downright gory with all the red staining. I wonder if the excessive rains
this past year are the root of the abundant berry crop.
From: Vermont Birds [mailto:[log in to unmask]] On Behalf Of Charles Gangas
Sent: Tuesday, January 31, 2012 8:43 AM
To: [log in to unmask]
Subject: [VTBIRD] Robbins and Waxwings
I was skiing Mt. Mansfield yesterday when my wife and I noticed several
small flocks of robins about halfway up the mountain off the FourRunner
Quad. Each group consisted of about 6-8 birds. Then as we were coming down
the Ridge View Trail as it intersects Upper Lookout just under the Mount
Triple Chair, there were scores of Cedar Waxwings feeding of a bountiful
crop of berries. At temps at the Octagon of around 18 degrees F the berries
were certainly frozen.
In over twenty years the first I've noticed this kind of activity on Mt.
Mansfield when skiing. Can anyone explain this sighting, and is it something
that occurs periodically that I've not noticed on the mountain before?=
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