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105
Mixed Diglossini, Aug. 21, 1965, II.  

6:02 am. Quite a lot of B. nigrocristatus and Firebelly sounds. But not much else. Then silence. Then some Duburia Song. Then silence.

[[left margin]] Humer [[/left margin]] 
6:21 am. See one Humer ✓✓ ✓✓ 31 [[two checks and number in blue]] chasing another thru low bamboo scrub. Lots of R’s. Only a few R-Zaza’s. Are Za-za’s particularly characteristic of breeding season? More probably just high intensity.

SEE ALSO TODAY’S NOTES ON GENERAL MIXED FLOCKS

[[left margin]] Scan Black [[/left margin]]
6:45 am. There are at least 2 Scans (identification definite, violet on breast and chin) uttering long “cluck” Songs here. In Eucalypts and smaller trees. Also other vocalizations. No diglossine, Atlapetes, or Whitestart audible at the time. There certainly are both Humers and at least 1 Laf in the general neighborhood. I even see one Black ✓32 [[check and number in blue]] Diglossa in same Eucalypt (a Prime) as one of the Scans. Territories of Scans and some Black Diglossas certainly at least partly overlapping here now. But I have yet to see a Diglossa very close to a Scan this morning. And certainly no trace of inter-specific hostility yet.

[[left margin]] Scan Cy [[/left margin]]
6:53. Scans shut up temporarily. Then I hear Cy Song in distance! No overlap. Cy shuts up. Scans resume “cluck” Song. Scans shut up. Cy Sings again! No overlap. Cy shuts up. Scans resume. Then Cy Sings again. Twice. Complete overlaps both times!

[[left margin]] Scan [[/left margin]]
7:01. Some aerial display flights by Scans Also some aerial chases between the neighboring singers

Going uphill 7:03 am.

[[left margin]] Humer [[/left margin]]
See more disputes among Humers ✓✓ ✓✓34 [[two checks and number in blue]] in low scrub. With R’s. Again no Zaza’s.

[[left margin]] Humer Scan [[/left margin]]
Nothing much uphill. So I start down again. At various times, on the way down, I hear Songs by Humers, more “Cluck” Songs by Scans (in

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