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(30) [[underlined]] Diglossa, [[/underlined]] May 31, 1960, II In connection with the preceding discussion of the aggressive behavior of the small black species, I should add that I have never seen rival [[male symbol]]'s of this species engage in "pendulum" back and forth disputes. Every time I look at these Diglossas I am more impressed by their resemblance to hummingbirds. Even the songs of some of the species of hummingbirds here are like the songs of the small black and the blue-spotted Diglossas (and the Conebills and the Blue Diglossopis). [[underlined]] Diglossa, [[/underlined]] I June 2, 1960 Cerro Pichincha For the last 2 days, we have been working only near Nono. The small black birds hear would certainly appear to be well past the peak of display here now. The [[male symbol]]'s sing relatively very rarely. I think that the [[male symbol]]'s usually or always keep the bill open throughout a single burst of song, only moving the mandibles a little with each note. Certainly the bill is never opened very widely during song. Late this evening, I heard a [[male symbol]] utter R – brief warble 3 times in rapid succession. Couldn't see him at the time. The brief warbles after the R's were sort of slurred; but one, at least, might be transcribed by something like "Za za wee wee". This is more confirmation of the hypothesis that the usual "Za za" notes after R are a brief "intention movement" of song. [[underlined]] Diglossa, [[/underlined]] I July 29, 1960 Washington After looking at the collection in the USNM here, I am certain
Transcription Notes:
Have requested advice from Smithsonian on how it wants Moynihan's colour & pattern coding transcribed.