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Altapetes, May 21, 1960, II. 

Many of this birds song phrases were alternated with preening. Quite vigorous and autochthonous-looking. During the song phrases themselves the bird sat in a very fluffed posture which may have been an "intention movement" of preening.

[[image - sketch of bird]]
Only moderate CR.

None of these songs seemed to provoke any response from any other bird. The singing bird eventually gave up and flew away (perhaps frightened by us).
        

Altapetes, I 

May 25, 1960
Cerro Puchincha

The rufinucha birds were a good deal more conspicuous & noisy here today than on May 21st Advancing into reproductive condition?

The most interesting incident today was seen only by David. One bird landed beside another, presumably its mate (as there was no overt hostility between the 2 birds). One of the birds uttered some sort of "greeting song." David transcribes this as "Zee wee zee wee" (Probably including 4 to 6 notes.) David describes this greeting song as a warbling whistle, very rapid (so much so that it almost approached