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R [[image-number 106 in circle]]

[[underline]] belcheri  [[/underline]]

Nov. 18, 1955,
La Puntilla

Have definitely seen HD-O introduced by semi-O & 1 or 2 introductory LCN notes. Have seen this twice; but it is still obviously extremely rare. 

Sometimes three full (ie. long) notes during the HD. Have also noted that, while the O phase can be much prolonged during disputes, the HD phase apparently is not

[[underline]] belcheri [[/underline]] Nov. 19, 1955, La Puntilla

Notice that much of the Ch is given from postures apparently identical with Gost postures. Low one sequence Squat (head as in Agg V) - Ch. 

Correction - of a sort. I haven't seen any Ch as long-necked as my long-necked drawings of Gosts (which may be too exaggerated anyhow). At high intensities legs become flexed, (but bird doesn't seem to sit during "pure" Ch), and belly feathers become conspicuously more fluffed or ruffled.

Have seen Squat & freeze follow Ch. immediately.

Choking [[?]] with bill definitely closed, (not too "swollen" an effect around lower jaw). Birds not far away - and little surf - and yet I still didn't hear any sound!

One wonders if the reduction in number & variety of vocalizations, apparent in both this species and [[underline]] inca [[/underline]], might be connected with the constant pounding of surf in their breeding environment???

Nov. 19,1955,
La Puntilla

General note on distribution. The same species here now as when I arrived; i.e. [[underline belcheri [[/underline]], [[underline]] modestus [[/underline]], [[underline]] cirrocephalus [[/underline]], [[underline]] pipixcan [[/underline]], and a small tern, probably [[underline]] lorata [[/underline]]. 

Transcription Notes:
3 vertical lines and vertical crosshatch pattern in left margin; unclear if significant.