Empidonax traillii alnorum
Lake Umbagog.
1907,
July. 
(2)
termine on which syllable the chief accent falls. They
are sometimes given in quick succession or at wider intervals
which are filled by indescribable low, harsh twittering or chat-
tering sounds. The usual call note of the Alder Flycatcher is a
low pip. Although not apparently loud it may be heard hundreds of
yards away when the air is still.
Lakeside, N.H.
July 31
  Two at evening calling to one another in the twilight.
They use the pip note and less frequently a peer or p'que-a, not
wholly unlike the que-queah of the breeding season and perhaps a modifi-
cation of it, but I think a different note. They were among pas-
ture spruces by the roadside.