75

Concord, Mass.
1916.
Aug. 30
to
Nov. 4

Cape May Warblers occur commonly.

  The Cape May Warbler used to be considered - no
doubt rightly - a rare and irregular visitor to eastern Massachusetts.
Within the past few years it has been reported oftener and
more regularly but never heretofore in anything like the
numbers which appeared about our Concord farm this autumn.
It was first noted there on September 4 [September 4, 1916] when three young birds ([1 male, 2 females])
were seen feeding together in gray birches and white pines in Birch
Field, in company with Warblers of several other species.
On the 6th [September 6, 1916] not less than ten or a dozen Cape May Warblers
spent the entire day (a dark-cloudy & mostly rainy one)
in trees or shrubbery near our house, ranging hither and thither
through the apple orchard, drifting to and fro along the
old farm lane and lingering for upwards of an hour
in thickets bordering on the lawn across which Henshaw [Henry Wetherbee Henshaw]
and I viewed them through our opera glasses and a plate
glass window of the dining room - within which we were