1902.
May 8
  Brilliantly clear with light N.W. wind. Cool
at morning & evening. A perfect day.
  From shortly after daybreak to 8 A.M. and again
just before sunset a Bobolink was in full song in
the meadows across the river. This is the third consecutive
year when this species has arrived in Concord on May 8.
  Baltimore Orioles also came today. One was fluting
the whole forenoon near the farm house and Gilbert saw
another in Benson's apple trees.
  The only other arrival was the Wood Thrush of
which I saw a silent and remarkably tame individual
among the oaks on Davis's Hill.
  Ovenbirds have increased greatly in numbers since
yesterday. On my way to the farm this morning I
heard no less than twelve singing.
Arrivals
  Partridges were out in force this afternoon. Shortly
after five o'clock I heard no less than three drumming
near Pulpit Rock one on the stone wall at the foot of
Barrett run, another on the wall at the western end of
Birch Field, the third near the spring. I also flushed
several others. One, a large cock bird, uttered just as
he flew from a stone wall and for the first thirty
yards or more of his flight a guttural wur-r-r,
wur-r-r, wur-r-r, wur-r-r. This is the ordinary
flight note of alarm.
  I stalked the drummer at the W. end of Birch Field
with the utmost care & espied him sitting in a crouching
dejected posture on his drumming stone. As I was well concealed
by some young pines & had made no noise I felt sure
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