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5

Rhamphocelus, Jan 30, 1958, III      

what modified by the peculiar vertical posture of birds clinging to a wall like this, but it was obvious that all the head and crown feathers were raised, as well as those of the breast and belly and upper back. The rump feathers did not seem to be raised very much, and the wings were usually kept crossed over the base of the tail. The Gfluff of the captive bird may have been more extreme than that of the visitor
  
The resident often assumed G in this Gfluff. Sometimes stayed in G for minutes at a time. This G sometimes preceded attack, a peck at the visitor through the wire. This would suggest that it may be very aggressive, but further observations are necessary on this point. The general effect of G & Gfluff is as follows:

[[image - sketch of a bird with open bill]]
Bill possibly opened wider at times.
Clinging to side of cage.

Absolutely nothing in the way of a Cardinal-like crest!! The longest feathers on the crown are toward the rear, if anywhere.
  
The resident captive Male eventually grew blasé; and settled down more or less, and the visitor then went off. He came back about a half hour later, and the whole thing began again.
  
At this time it was quite obvious that the visitor gave his MCN's when flying toward the aviary, or standing on the aviary near the captive bird. Suggests that the MCN may be aggressive.
  
The usual CN's as given by the visitor flying about excitedly, were rather reminiscent of the MCN's given by visiting Blue Honey-creepers in similar visiting circumstances (and the visiting