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34

Ramphocelus, Oct. 24, 1958, II            

This bird does, however, seeem to stand and move about a little more like a Sangre de Toro than does the Yellow-rump. I think it perches more frequently with the breast down and tail diagonally up. Also does relatively frequent extreme TF's of the usual Ramphocelus  type. (And the WF's of course are also of the usual type.)

It gives "Auh" CN's like the other related tanagers. All the CN's I have heard so far have been single- although sometimes repeated.

This male spent quite some times this morning giving a "silent" song like the juvenile Sangre de Toro I had at BCI. Sitting in an apparently unritualized erect sitting posture, without any great or unusual ruffling of the feathers. (The velvety feathers of the head were slightly erect, but I think that they always are in all circumstances. The feathers of the lower breast & belly were slightly fluffed). Most of this Silent Song was actually quite silent as far as I could tell (and I was probably no more than 3 fr away from the bird - although other birds were uttering some notes in the general neighborhood). Bill absolutely closed throughout -but throat & tail moving quite conspicuously. Looked as if he were giving long flowing melodious phrases. Occasionally this Silent Song was interrupted by some audible notes. Occasional "Whit" - like notes. Either one note or two notes one right after the other. Frequently seemed to occur at the apparent beginning of a silent phrase. Also one or two R's interspersed once or twice.

Since this bird doesn't appear to be juvenile in any respect,