Perhaps a late-migrating yellow-rumped warbler.
Pieter van Loon
On Wed, 2 Nov 2011 17:52:07 -0400, Linda Lunna
Music Mountain Stockbridge, VT
> Today--all day-- two birds were flitting around in the white birch in the
> yard. They were gray with a yellow patch on their wings ( similar to the
> red patch on a Red-winged Blackbird) and some more yellow on top of
> the head. One was puffed up--and kept fluffing up its feathers--size
> about like
> a junco and round in a similar way. Any ideas would be appreciated. The
> underside of the tail was black and white.