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40

Atlapetes, Oct. 7, 1960, II.      

songs are obviously characteristic of bush-inhabiting finches, both Atlapetes and Arremonops. Why?)
  
All or most of the songs I heard the day before yesterday were more or less comme ça:
[[image 1]]

"duh duh-duh  duh duh-duh tseeeeeeeeeeeeee

When I first arrived this morning, most of the songs coming from the hedge were more or less comme ça:
[[image 2]]

"duh   ta-seeeeeeeeee  ta-seeeeeeeeee"

  
When one of the singing birds (perhaps the only one who had been singing in the hedge) flew across the road. Landed in a thicket, where I caught several decent views of it. Continued to sing at few-second intervals.  In posture comme ça
   
[Image 3]]
White spots on forehead very conspicuous
Looking quite plump
  
Obviously very little ritualized. Only very slight trace of CR and Thffff. After flying across the road, I think the bird continued to utter song phrases just like the ones it uttered in the hedge beforehand. 
  
Surprisingly enough, another bird in the hedge (presumably the mate

   

Transcription Notes:
[[image 1: sketch of song structure above "duh duh-duh ...]] [[image 2: sketch of song structure above "duh ta-seeeeeeeeee ta-seeeeeeeeee"]] [[image 3: sketch of bird]] Left margin:3 straight and 1 hatched brown vertical lines down the page]]