At the UVM Miller research station there was a raptor perched in a tree
across from the entrance, at about 10 AM. (Pigeons abound there.) It
is either a gray morph gyrfalcon or a very large peregrine. I didn't
have my binocs nor scope but in flight the wings looked broad and more
rounded than peregrine. This bird is definitely larger than the many
American crows nearby (and I'd expect peregrine to be about the same
size.) Also noting Steve Mirick's earlier posting of a gray-morph
gyrfalcon, I think this bird may be one and the same.
If anyone else observes this bird, please post your observations!