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83
Mixed Diglossini, Apr. 22, 1965, III 

[[margin]] Laf Coer [[/margin]]
8 The relations of Laf to Coers may be the same as their relations to Cys. 
[[left]] Humer Cy Coer [[/margin]]
9 Humers may react to both Cys and Coers in much the same way that they react to Baris. 

April 23, 1965
Paramó de Guasca

Arrive usual place 5:40 am. Clear. Already light. And, cold, cold. But no wind. 
Lots of bird noises. 

[[margin]] Laf Cy [[/margin]]
Working Laf-Cy area. Laf sings 5:42. Shuts up. Cy sings. Shuts up. Laf sings. Shuts up. Cy sings shuts up. Laf sings. Little or (more probably) no overlap between species. Cy shuts up.

[[margin]] Laf [[/margin]]
One Laf utters most peculiar songs. Full of sharp short notes. Almost "Uk" Notes. Some parts almost "Bu-u-rup". Intermingled with more normal, perhaps absolutely typical, doublets. These series of short notes in songs might be classified as "slow R"s.

Slow R's only uttered by one individual here.

[[margin]] Cy Laf [[/margin]]
5:45. A few more Cy phrases and a lot more Laf songs. No overlap.

No sign of mixed flock around here.

[[margin]] Cy 72 [[/margin]]
Finally see Cy √ singing. Definitely Cy, not Coer.

[[margin]] Cy Laf [[/margin]]
Now hear one partial overlap Cy and Laf songs. The 2 birds are not close together at the time.

5:51. Hear Firebelly nearby.