Glendale, Mass.
1911.
Sept. 4
[September 4, 1911]

  Brilliantly clear with crisp cool air & light northerly wind.

Wood Peewees in full song.

  From 10 to 11 A.M. two Wood Pewees were almost 
constantly in song, answering one another, in hemlock woods at
the rear of the studio. Contrary to their usual custom at this
season they gave all their characteristic notes and with quite
as much vigor, expression and frequency as they ever do in
May or June. Hitherto during the past two weeks I have
heard only the low, listless pee-ee call which one habitually
hears in late summer.

Red-eyed Vireo in full song.

  Early yesterday morning and this a Red-eyed Vireo
was in full song at intervals for half an hour or more in
the woods near the house.

Black throated Blue Warbler in full song.

  On the morning of September 2, about ten o'clock, a
Black-throated Blue Warbler sang at least a score of times using
the ordinary spring song but giving it very emphatically and
so quickly that it wholly lacked the usual drawling quality