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60

during a period of 3-5 minutes, quite a lot multi-note "lost calls". Can't see what provokes these.

ADDITION: One of the apellas is carrying a small infant on its back.

The apellas are ranging 30-60 ft up in a great variety of trees. The Saimiri 20-100 ft up in an even greater variety.

   The Saimiri are inspecting leaves in their usual way. The apellas may also do this, but only very occasionally. Several individuals spend a lot of time pounding hard palm nuts (2 species collected) against branches. Noise very conspicuous. Apparently doing this in order to open nut rather than break branch. I see one individual breaking branches in usual Cebus style. Biting with teeth and then breaking with hands. And then licking and chewing at wood.

Certainly there is very little overlap in feeding between Saimiri and apella. Presumably only the association between them is "permissible".

NOTE: I did not hear any pounding at all in the albifrons group seen earlier. Possibly albifrons and apella can coexist in the same region simply because the latter is much more of a hard nut eater than is the former

Acutally, it is quite conceivable that albifrons and Saimiri take more of the same foods than do Saimiri and apella.

NOTE: This cannot be the same as any of the mixed Saimiri-apella groups seen earlier. Far away.

Group sticks around until ca. 9:50-10:00 am. 

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