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[[circled]] 1 [[/circled]] Eastern Cordillera Colombia Mixed Diglossini September 28, 1962 Páramo de Guasca [[left margin]] Humer 1 [[/left margin]] 6:45 am. Well above town. Low thick scrub. No trees. See first Diglossa, apparently Ater, just ✓ where we see first tubular red flowers. [[left margin]] Laf [[/left margin]] 6:50 am. Somewhat higher up. Similar vegetation, lots of tubular red flowers. Hear lots & lots of Diglossas singing. Apparently all Lafs. Songs all more or less comme ca: "Zree zree zree zree zree zree zree zree zree zree zree." Neighboring birds overlapping completely at random; but very frequently. Light is bad so I cannot see singing birds well. [[left margin]] 4 [[/left margin]] But see several ✓✓✓ Lafs feeding on tubular flowers and/or flitting about in shrubbery. Silent or uttering "Tsit"s Song decreasing now 7:12 [[left margin]] Laf [[/left margin]] Finally see bird singing 7:14. Definitely Laf. [[left margin]] Gen [[/left margin]] Very much impressed by the difference in proportions between these birds and Glors (and Aters) [[left margin]] Laf [[/left margin]] Birds singing from exposed perches on top of the low trees of which this scrub is composed. Singing postures erect, but apparently unritualized. As far as I can see behavior of these birds does not differ from that of Quito Lafs. [[left margin]] Ruf 6 Laf 8[[/left margin]] 7:20. Pair of [[rufina?]] ✓✓ ("Rufs") appear in scrub which I know is Laf territory, where Lafs not visible. Feeding on insects on leaves. Utter "Tseet" Notes. Then one feeds the other. Apparently silent. Then both move on. Immediately afterwards, a pair of Lafs ✓✓ appear in exactly the same bush where the Ruf feeding had occured, and one or both sing(s) vigorously. Then both disappear again. [[left margin]] Ruf [[/left margin]] A single Ruf ⍻ appears in exactly the same area, collecting
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