1900.
June 1
Concord, Mass.
  Forenoon sunny & calm, somewhat hazy. Afternoon
cloudy with strong S.W. wind. Evening calm & sultry. Ther. 62 degrees - 84 degrees.
Ball's Hill.
  The only north-bound migrants that I could find
at Ball's Hill this morning were a Gray-cheeked Thrush,
a male Water Thrush in full song and a male Black-poll Warbler
also singing but at evening a Swainson's Thrush added
himself to the list by coming into the oaks just west
of the cabin and singing there almost unceasingly for
nearly half-an-hour. I cannot recall ever hearing one
sing so freely here before. His voice was as full and his
bars as finished as if he were in the north woods.
North-bound
migrants.
Olive-backed
Thrush in
full song.
  At about seven o'clock this morning a Wood Thrush sang
for several minutes in the woods across the river opposite
Ball's Hill.
Wood Thrush
  The Gray-cheeked Thrush was a large & very dark-colored
bird. I found him in the bushes along the river path
where he flitted on ahead of me keeping so hidden &
at such a distance that I could not get a good view
of him. But when I began making a low scaiping sound
he stopped and sitting perched on a twig by the side of
the path about six inches above the ground remained
there perfectly motionless until I almost put my hand
on him. Actually I was not more than three of four feet
from him when the spell was finally broken & he flew
away, this time out of sight.
Gray-cheeked 
Thrush.
  In the afternoon Gilbert & I rowed up the river
to Lang's Meadow to get some plants. Three Long-billed
Marsh Wrens were singing at Beaver Dam Rapids & we
heard a fourth as well as two Short-bills in
Lang's meadow. Bobolinks appeared to be less numerous
Long &
Short-billed
Marsh Wrens
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