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Cyanerpes, I   (42) 
February 13, 1958
Barro Colorado

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   There was quite a lot dupicting [?] in a large flock (including 8-10 birds) in a bare tree this evening  The usual stuff, e.g., CR, HCN's, & St's; but more frequent than I have ever seen before.  Breeding season coming on?
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Cyanerpes, I   February 10, 1958
               Barro Colorado 
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   I caught 2 new Honeycreepers today, a [male symbol], just completing the molt into full nuptial plumage, banded blue left; and a [female symbol], banded light green left.  Probably a pair before they were caught.  I released them in the aviary.
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   The general excitement when they were let loose attracted 3 visitors, an apparently mated pairs first, and then a visitor.
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   When the pair first came, the [male symbol] visitor just did CR, while the [female symbol] visitor did lots of HCN-ing in a moderately alert-looking posture (without CR)  This seems to be quite a common arrangement; i.e., [female symbol]'s do seem to give more HCN's than [male symbols]'s.
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   When the second visiting [male symbol] showed up, he wandered close to the [male symbol] of the visiting pair, whereupon the latter advanced toward him, in St. with CR and BL (and presumably some Wh N's as well, although I didn't actually hear them)  This caused the second [male symbol] to retreat
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There was very little hostility by the other capture Blue