I was in Cape May on Monday, and saw a similarly large flock of tree
swallows, first gathering, then murmurating like starlings. I did not try
to estimate numbers.
Here's a lousy iPhone video clip, barely hinting at the scale:
Ooops. No "American" in those tree swallow. Just tree swallows, and maybe
they were Canadian, anyway. Sorry about that slip of the keyboard.
On Fri, Sep 30, 2016 at 4:22 PM, Karen Edelstein wrote:
> Joe Wetmore and I just returned from several days in the Provincetown, MA
Joe Wetmore and I just returned from several days in the Provincetown, MA
area. On Monday, while we were hiking to High Head Beach (North Truro)
along the Cape Cod National Seashore, we witnessed what seems to be a
fairly lightly documented phenomenon in that area: the massing of American