83

Concord, Mass.
1916
Aug. 30
to
Nov. 4

Resident Crows with peculiar calls.

been heard at every season, for now half a dozen
or more years, in the neighborhood of our farm and
at Ball's Hill. Both localities have been frequented
still longer, if less constantly, by another Crow whose
habitual, if not only, utterance (I have heard him give
no other) is a deep-intoned oh-ah not unlike that of a 
Barred Owl and having acoustic qualities which render the
sound extremely difficult to locate both as regards distance
and direction. Often have I thought its author far away
when he was close at hand, or vice versa. He comes and
goes at all seasons but sometimes is apparently absent for
several successive weeks - or even months.

Diurnal Raptores [Raptors].

  Diurnal birds of prey appeared rather more numerously
than in the autumn of 1915 but decidedly less so than
was their custom at corresponding seasons of still earlier years.
Most of them, indeed, are no longer seen in anything