Concord, Mass.
1912
April 1 to
July 1.

  Dendroica blackburniae. - On June 3 [June 3, 1912] I heard four [males] singing,
one near Pulpit Rock, one in Prescott's Pines, one on Davis Hill, one
on Pine Ridge. On the 29 [June 29, 1912] I heard two near Pulpit Rock. Thus
at least five must have remained in my woods into, if not through,
the breeding season.
  Sylvania canadensis. - Noted only once during breeding season - on 
June 24 [June 24, 1912] when I heard one singing in swamp behind Ball's Hill.
  Setophaga ruticilla. - A pair of Redstarts bred in the river
maples near the cabin at Ball's Hill, the only ones I have noted
there for several years. I heard the [male] singing as late as May 31 [May 31, 1912].
On June 21 [June 21, 1912] the [female] was chirping anxiously because of the near
presence of a pair of Jays. At the Farm we had at least
two pairs & I think three, in the grove behind the barn &
in the apple orchard in front of it.
  Vireo solitarius.- Through May & June I heard birds singing
on Ball's Hill, Pine Ridge, Davis Hill, in Prescott's Pines & in
Pulpit Rock woods. In locality last named there were usually 2 [males] in
full song, often within a few rods of one another.