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Western Cordillera Colombia

Mixed Diglossini
May 26, 1965
Farallones

SEE TODAY'S NOTES ON GENERAL MIXED FLOCKS

[[margin]] It would appear that there is mutual inhibition of Song between Cy and Slate-throated Whitestart!!!  But Cy [[underlined]] may [[/underlined]] follow Slate-throat in mixed flocks.

[[margin]] Albi [[/margin]]  I presume that there must be Albis around here somewhere; but they certainly were not singing this afternoon.  Albis seem to be among the most silent of Diglossini in the non-breeding season.  (They may utter R's more frequently than [[underlined]] carbonaria s.l. [[/underlined]] utter Twitters during the non-breeding season;  but [[underlined]] carbonaria s.l. [[/underlined]] utter many R-Zazas, at least when the population is dense.

There certainly are hummingbirds around here.  But I did not see or hear anything like a Scan this afternoon.  This is essentially an area of thick temperate forest, interrupted by pastures; and presumably is too humid for Scans.


May 27, 1965
Farallones

Going to work around Korea station again this morning. Starting 5:15 a.m.  Still very dark. Everything quiet.

First presumed Slate-throat song 5:32 a.m.  1 phrase.  No diglossini audible at the time.

Then general volume bird noises increases appreciably.  Difficult to