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[[circled]] 50 [[/circled]]

to be far too "extreme" to be true!!! But it is obvious that the situation here above Panao [[underline]] cannot be too different.[[/underline]] Possibly identical (if I overlooked very "diffuse" flocks at Palca). Possibly more similar to the situation in those areas of Central Ecuador where highly organized flocks do not occur.
 
The great question now is: WHY IS THERE SUCH AN EXTREME DIFFERENCE BETWEEN DIFFERENT AREAS WITHIN THE CENTRAL PERUVIAN REGION?

Possible it can (still) all be explained by factors such as density of vegetation and frontiers. 

NOTE: The area worked today is not far from drier region ("arid temperate") near the town of Panao itself. The original forest here probably also had an extensive frontier with Panao (mountains here are high). And, of course, as noted above, the area actually is surrounded by cleared land at the present time.

May 28, 1966
Above Panao

Going to work same place as yesterday. Arrive 6:02 a.m. Clear. Cool. 

SEE  TODAY'S NOTES ON MIXED DIGLOSSINI

COMMENTS:

It would appear that the social behavior of the birds here is more like that of birds of Central Ecuador than like that