1902.
May 6
  Brilliantly clear. Wind light from N. in A.M.,
fresh from E. in early P.M., strong from S.W. at evening.
Early morning and late afternoon cool; middle of day warm.
  Chestnut sided Warblers arrived last night. I
heard one singing near the cabin at sunrise and at
least two others in the swamp behind the Hill later
in the day.
Arrivals
  There was also a fresh flight of Peabody birds.
I saw two near the cabin, two more at the E. end of 
the Hill and three near Bensens.
  The Yellow-rumped Warblers were also more
numerous than they have been for several days past.
As I was standing on the edge of an opening on
Pine Ridge early this afternoon all the small birds within
my hearing (they were a Black-throated Green Warbler, Chippy,
Song Sparrow, Vesper Sparrow and three White-throated Sparrows)
suddenly ceased singing and joined in a chorus of those 
peculiar, low, yet shrill and incisive, cries of warning which
are as surely indicative of the near presence of a Hawk
as are the well-known notes which domestic fowls make
where similarly menaced. Looking up I saw a beautiful
little male Sharp-shinned Hawk. He passed nearly overhead
giving me a good view of his slaty blue back and
alternately flapping and gliding on set wings was soon
lost to sight among the pines. It was several minutes
after he had passed before any of the little birds began
singing again. Quite evidently they distinguish the dangerous
from the harmless birds of prey. They paid not the slightest
attention to a Marsh Hawk which skimmed equally
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