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[[underline]] Cyanerpes [[/underline]], Dec. 2, 1957, II 18

visiting ♂ in incomplete plumage. This is in quite striking contrast to their usual reaction to a visitor. (It may be significant that the head of the visitor is still the non-nuptial dull green.)
Another burst of Wh-calling when the ♂ suddenly landed beside the ♀. Couldn't see which bird did it, but there didn't seem to be any ritualized postures or movements involved. The call itself could best be transcribed as "Waah waah waah waah waaaash" ―the last particularly nasal. 
   A wild ♀ has just come visiting. Stayed around a long time; more interested in the captive birds than any wild ♀ I have seen before. Seemed particularly interested in the ♂ (And he largely ignored her.) Gave a burst of typical HCN's at one time ― so this must be a normal component of the ♀ repertory too. 

[[underline]] Cyanerpes [[/underline]], I December 7, 1957, Barro Colorado

When I went into the aviary today, the ♀ uttered repeated Wh Notes, with CR but no St or anything else, apparently provoked by and directed toward me.
I put a stuffed hawk in the aviary today, to see the birds' reactions. I think they were quite upset; but the reaction wasn't as spectacular as I had hoped. A lot of flying around, in association with the usual TF's & WF's, and a lot of calling.
The ♀ began flying around very nervously, with a lot of loud and rather shrill but apparently "ordinary" CN's. I do