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[[circle]] 230 [[/circle]]
[[underline]] maculipennis [[/underline]], Jan. 2, 1955

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] that this species doesn't have an aerial L.C. At the very least, the aerial L.C. must only appear at very much higher intensities than some of the L.C.'s of, for instance, the Andean Gull and the Kelp Gull.

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] I have seen an extreme agg. Upright just like my drawing of the corresponding posture in the BhG. in my thesis. Same rounded rear of head.

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] At last! Choking. Or a reasonable facsimile thereof. Bird in posture like less extreme Ch of BhG. [[image - simple sketch, possibly of a gull in downward flight]] Uttering rather muffled versions of LCN's of the "Kee-a-war" type. This is exactly similar to the "low intensity" Ch. of the BhG. with "[[male symbol]] feeding call"!

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] The fact that I have seen so little Ch., and yet so much high intensity O and F, would certainly suggest that the ch of this species cannot appear at such low intensities of motivation as the ch. of the Andean Gull. Must be more like the ch. of the BhG. in this respect.

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] I have seen several O's, as well as V's, before attack. It seems very likely that the O of this species, like that of the BhG, is often, at least, a relatively very aggressive pattern.

January 3, 1956,
Near Gente Grande

[[underline]]hirundinacea[[/underline]] and [[underline]] inca. [[/underline]]

A few notes on the behavior of the S. American Tern, based primarily upon observations made along the coast here, in or near various breeding colonies, with some comparisons with behavior of the Inca Tern.

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] I noticed, in Porvenir Bay, that the S. American Tern has a Bengestellung; but I can say anything more about it.

[[margin]] 3 vertical lines and vertical crosshatch pattern [[/margin]] The usual call given by the birds that fly above one's head, when one enters a breeding colony is a succession of not-very-close together, very Common Tern-line, ""Teee-ern" or "Keee-aar" notes. Just like the Common Terns at Scolthead. This is the note which I always though was