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months ago. I thought that they must be uttered by some sort of Diglossine.) Wrens apparently alone.

About 100 yds away, something is uttered loud whistles, in indeterminate series. "Wheeeooo wheetsoo wheeeooo wheetsoo...." Can't see the bird uttering these sounds - but it is the sort of thing which the Spectacled Atlapetes might be expected to produce. (The whole performance is somewhat reminiscent of [[underlined]] A. torquatus.[[/underlined]])

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Then a large mixed flock appears. Probably includes approximately 15 birds. But I probably don't identify them all. I do see [[2 green checkmarks]] [[in purple]] 2 [[/in purple]] 2 Yellowfaces,  [[green checkmark]] [[in purple]] 3 [[/in purple]] [[underlined]] 1 Cnemoscopus [[/underlined]], [[4 green checkmarks]] [[in purple]] 4 [[/in purple]] 4 (sic!) Sittis,[[2 green checkmarks]] [[in purple]] 5 [[/in purple]] 2 Ruddy Flycatchers, [[2 green checkmarks]] [[in purple]] 6 [[/in purple]] 2 Octhecas (species with orange patch throat, white breast), and at least [[green checkmark]] [[in purple]] 7 [[/in purple]] 1 large tree-creeper. All these birds high in trees when first seen. 20 - 40 ft up. Yellowfaces definitely in lead. All others following. Group rather diffuse at first. Then very coherent.

Yellowfaces and some of the other birds fly into trees where Wrens are. Yellowfaces Sing. Wrens also (continue to) Sing. I [[underlined]] think [[/underlined]] that the Songs of the 2 species are partly overlapping. But it is difficult to be sure of this, as Yellowface sounds are [[underlined]] much [[/underlined]] louder than those of the Wrens. In any case, the Wrens soon fly into another tree. And then I lose sight of them. I [[underlined]] thought [[/underlined]] that they were leaving flock; but later, after flock has passed by, the Wrens do not reappear. I.E they [[underlined]] may [[/underlined]] have gone with the flock after all.

This series of reactions might be considered a case of flock j [[right arrow]] Wrens. But I rather imagine the fact that the flock goes into the "Wren tree" is largely "coincidental."

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As the flock moves from tree to tree, [[green checkmark]] [[in purple]] 8 [[/in purple]] 1 or 2 [[underlined]] B. nigrocristatus [[/underlined]] appear 4 - 6 ft up in bamboo scrub below trees. Very noisy. Lots of 

Transcription Notes:
Octheca = variation of Ochthoeca