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(?) major,(underlined) I           June 28, 1960        30
                                   Barro Colorado

  Watched M & Hrr again today, and then led a little (?) with them.
  They still perform TV (not TVC) at the slightest (underlined) disturbance - whenever someone or something approaches their cage or they hear some strange sound from the forest.
  I could not provoke any sound from either bird, either by talking, or poking or picking up either bird.
  Hrr started to perform Tsh's when I first began to talk to him, in my normal voice, using normal words. But M did not.
  When I started to utter "Oooooooo" sounds. Both birds reacted quite vigorously, but I spent most of my time watching M. I uttered several distinct bursts of "Oooooooo" sounds. M's reactions to 4 separate bursts were as follows:
  1. (underlined) Several Tsh's - 1 PAG -several Tsh's -1 Gape (without (?) movements) - 1 General Ruffle & Shake -(?) - several Tsh's.
  2. (underlined) Several Tsh's - several preening movements - brief and low intensity indication of TV.
  3. (underlined) Several Tsh's - 1 PAG -several Tsh's - 1 General Ruffle & Shake.
  4. (underlined) Several Tsh's - 1 tail-waggle - several Tsh's - 1 PAG & Bill-wipe - several Tsh's - 1 PAG - Bill-wipe - several Tsh's - gaping and (?) movements - Several Tsh's.
  The only time I watched Hrr intently while uttering "Ooooooo" sounds, he did several Tsh's - followed by a great many feeding (underlined from followed to feeding)