1902.
May 15
  Sunny most of the day and warmer with light S.W.
wind. Late afternoon dead calm & brilliantly clear.
  As I was starting for a walk at 8 A.M. I saw a
female Hummer about the blossoming bird cherry trees near the barn.
A moment later she alighted on a low branch close to the shed
and the male appeared darting down close over her, rising ten
or fifteen feet above her and swooping again without pause
in the usual loop-like course.
His throat glowed in the sunlight
like a coal of fire. He made the usual incessant shrill
chirrup while rising and falling. The female meanwhile sat
motionless & appeared wholly indifferent.
  In the apple orchard near the barn I heard a Black-poll
and saw a male Black & Yellow Warbler. The latter was
singing sotto voce as he moved slowly from twig to twig
among the clustering snowy & pink blossoms. In the Pulpit
Rock woods there were but few birds & the only north bound
migrant I found there was a Black-throated Blue Warbler
which was singing in the usual drawling, listless way.
  On my way back from the woods I heard a Tennessee
Warbler singing. He was in the very top of one of the
tall oaks that form the row of trees on the south side
of the orchard but I did not see him until he started
on a long flight. I heard him sing eight or ten times.
His song, although of the usual shrill, incisive character or quality,
was peculiar in form tip-tip-tip-tip-ti-tchip-tchip-tchip.
Evidently he was a different bird from the one noted in nearly
the same place on the morning of the 12th. As I stood
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