Notes of Scops Asio
MASS. (Middlesex Co.) [Middlesex County, Massachusetts] Concord Mass. [Concord, Massachusetts]
Coccyzus erythrophthalmus migrates by night
1877.
Aug 9 [August 9, 1877] For several evenings past I have
heard, after darkness had fairly set
in, the peculiar notes of Coccyzus
erythropthalmus. Upon previous oc-
casions I supposed that the birds
were merely crying out from their
perches but to-night, at about 10
P.M. I discovered by listening 
attentively that these birds were
flying overhead and in every
instance passing, as nearly as
I could determine to the Southward.
They seemed to be flying low
down and I heard at least four
or five in the course of an hour.
The only note uttered was the
characteristic one of alarm,
wur-r-r-roo. Warblers commenced
migrating about the 1st of Aug. [August]
and every night since the
frequency of their chirpings from
the star-lit sky above, increases.
  Aug. 14 [August 14, 1877] A Bubo Virginianus hooted all
night long on the "Great Meadows"
below the house.
  [August] 15 [August 15, 1877] Listened to a Scops asio for a long
time to-night and heard two 
notes entirely new to me: the first,
we-ow, we-ow, we-ow; the second, a
sound like the whistling of wings but
louder, fuller and less shrill. The
bird frequently uttered the usual
wailing cry and also the shorter krow,
krow