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Tangara, Feb. 1, 1962, I 

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of trees outside my house. Can't see it. But uttering "Sreeeeeee-tuh Sreeeeeeeee-tuh-tuh Sreeeeeeee-tuh Sreeeeeeee-tuh....." Calls outside my window. Definite rattle undertone to the "Sreeeeeeeeeee" notes. 

Then, by the time I get outside, it has switched to uttering "Sreee sreee sreeee sreee...." notes.  10:15 am. 

Falls silent, when parents arrive!!!  Parents apparently disturbed by me. Uttering CN Trill's.  Parents leave, but young bird doesn't start calling again.  Has it left too?

No! Parents go back to tree as soon as I leave.


Tangara, I.                 
February 3, 1962
Barro Colorado

The juvenile PCT described above was still around this evening.  Sitting well hidden in the top of a tall tree. "Begging" almost steadily, both when alone and when approached by parents.

Once, when alone, he uttered a series "Sree ta Sree ta Sree ta Sree Sree Sree See See See See See" apparently declining intensely.

At other times, he uttered similar notes in a less obviously progressive sequence, when alone.  Also occasional "Sreee-ta-ta" calls.

None of the notes uttered when it was alone were accompanied by Q or TV.

Once, when it was approached (and fed?) by a  parent, it uttered "Zhee zhee zhee zhee ..." notes.  With Q, but prob