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[[circled page number]] 81 [[/circled page number) 
[[underlined]] ular species. [[/underlined]]
One factor which may (or must) contribute to the diffuseness of the flocks here is the absence or rarity of many species of tanagers (e.g.[[underlined]] Cnemoscopus, Hemispingus. [[/underlined]] spp.) Possibly these tanagers (like the commensal [[underlined]] Conirostrum [[/underlined]] spp. -- see today's notes on mixed diglosini) are absent because the native forest has almost disappeared
[[margin, in red]] Gen [[/margin]]
CORRECTION: I have just been to the airport to check my altimeter. It seems likely that I have [[underlined]] over [[/underlined]] estimated all altitudes recorded so far during this trip (i.e. July 17 and 18) by 300-500 ft. I have now corrected the altimeter-- but [[underlined]] not [[/underlined]] the records in my notes of today and yesterday.
[[right aligned]] July 19, 1965 [[/right aligned]]
[[right aligned]] Boqueron de Palmitas [[/right aligned]]
Arrive area 7750 ft 5:35 am. Just getting light. Area with miscellaneous scrub. Some bird noises. Largely Andean Sparrows.
Clear, fairly cool, and windy.
Lots of hummingbird sounds 5:43.
5:44. Hear diglossue twitter Many phrases are right after the other. No obvious Intro Notes. Bird singing in small trees along road 15-25 ft up. Going from tree to tree. [[red check mark]] Impossible to identify species (yet)
[[margin, in red]] Cy? 11 [[/margin]]
No other diglossini or Whitestart audible at the time. No Albi-type R's. Bird seems to have very large territory. Cy?
Diglossa shuts up 5:50. Then Atlapetes Whistle songs begin.
Lots of "complete" phrases. Presumably [[underlined]] rufinucha [[/underlined]].
[[left margin note in red]] Albi?  [[/left margin note in red]]
Also some R's which may be Albi and/or Tiaris. These Songs