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77

Atlapetes, May 21, 1962, II.

been uttered by birds which were awakened by the arrival of our car. It was followed by a period of silence, during which no similar notes were uttered.

All these DC Notes were very similar (possibly identical with?) the whistle notes during the ordinary "song" of rufinucha. I think they must have been uttered by rufinuchas.

5:37 a.m. I go back to car to get my tobacco, and make some noise in so doing. This seems to provoke another burst of DC. Again subsides into silence after a minute or so.

I stick around area until 6:00 a.m. (when it is fully light). Don't hear any regular rufinucha song in exact areas where DC came from.

But there are rufinucha singing some distance away. Watching one perched in tree. All songs without R. Some phrase "Keyoo kuh-kuh-kuh". Others "Keeyoo keeeee kuh-kuh-kuh". First 2 notes of latter quite like DC Notes heard earlier. Bird sitting in ordinary posture. With CR. Tail horizontal. No wing movements.

7:00 a.m. Come across 2 or 3 rufinucha (possibly same pair observed yesterday). Feeding & hopping along hedge. Utter lots & lots of "CN"s, both single and in series when they are obviously nervous about me. Is my interpretation of this pattern wrong?

Once, when one bird came close to another, one of them apparently uttered harsh, hoarse, "Zeeah aah-zah". HAC?

Hear another rufinucha singing 7:25. Again no R's.