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Ramphocelus, Mar. 11, 1962, I      120

are definitely buzzier than those of the male.

Ramphocelus, I       
March 13, 1962
Rio Piedras

Start observing C Yellow-rump area 6:25 a.m. Male uttering Ф's. Then flies away.
  
6:35 a.m. 2 females or juvs sitting quite peacefully a few feet from where C male uttering low intensity Ф's.
  
6:36. A rapid incident which I don't see well. Male C approaches a female or juv. Uttering ФR's. Female or juv. moves away. Male turns away. Does 4 or 5 silent BW's.  Female or juv. disappears. Male then begins to utter series of TssN's. Usual posture. Then flies away.
  
This incident was obviously sexual. Presumably low intensity and/or frustrated.
  
Male back almost immed. Flying from tree to tree (station to station. Uttering Ф's and/or ФR's each station. Obviously "patrolling" Quite ignores 2 female's or juvs. sitting placidly in center of his territory. All his Ф's and ФR's are accompanied by Wing droop and extreme Back R.
  
7:00 a.m. Male C flies from tree to tree, following or chasing (the) 2 females or juvs.  With Ф's or ФR's. Then perches a few ft away from where the females or juvs are feeding. Utters ФR after ФR all with wing droop and Back R.
  
There are definitely still 3 females or juvs in C area. 2 sticking together. One a little apart.
  
The "territory" of this C male (the area over which he utters Ф's) is remarkably extensive - at least 50 ft long).
  

Transcription Notes:
Ф phi