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[[circle]] 100 [[/circle]]

[[underline]] inca [[/underline]], Nov. 16, 1955, V

landed on that rock [[underline]] Did this with a lot of LCN's, many before attack. [[/underline]] Did nothing else. No signs of displays toward flying birds. Had an "admirer", in complete juvenal plumage, nearby - who kept flying to different rocks around him, standing in aux.V much of the time, and made several very brief and tentative attempts to approach the aggressive almost-adult. Never dared though.

Then the aggressive bird relaxes; flies to adjacent area, preens, flies away. 11:30.

I can't help but feel that this sort of thing might be the first approach to the first pairing.

(Incidentally, I didn't include the LCN's, or any of the behavior, of this aggressive almost-adult in any counts).

[[left margin]] *comm. area. [[/left margin]] St - Gost - [[image - vertical oval]] - Gost. Gost. St - Gost. Gost. [[underline]] St during retreat [[/underline]]

Leaving 11:50.

Have taken every opportunity, the last 3 days or so, to discover the status of Cht as an aerial call. I know that my notes of the first few days refer to it as an aerial call; but I had begun to doubt this. And my conclusions are as follows.

It is really semi-aerial or pseudo-aerial. Sometimes given, in quite typical form, by birds flying up (even during Silent Panics) and landing near others. Still rare in these circumstances. Even rarer, I think, as a pattern by really flying birds; but I have heard a perfectly typical Cht call given by a bird circling near me (perhaps disturbed by me).

Much commoner is the "smothered" Cht given by birds flying up in group during Silent Panic. It is almost inevitable then. Some of the smothered versions sound like 3 or 4 normal syllables - but weaker. Others sounds like 3 or 4 normal syllables, ended suddenly with a particularly loud & explosive syllable. A few rare calls contain only 1, 2, or 3 syllables; and some of these are sometimes slightly reminiscent of AlC of gulls. Sometimes, again extremely rarely, just one sharp note.

1:15 p.m. Have just taken a small walk to the small

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