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62 Tangara, July 26, 1961, II. [[left margin]] [[brown vertical zigzag line aside sentence.]] [[/left margin]] or the only, calliste in the lowland second growth scrub. [[left margin]] [[brown vertical zigzag line only aside this sentence]] [[/left margin]] (Incidentally, David Snow says that he has seen other sulphur-belly nests which seemed to be attended by 3, 4, or 5 adults). Yesterday afternoon, I went up above Sevila, to watch some Bay-headed Tanagers. The local subspecies is T. gyrola viridissinia (=[[green crosshatch]]////[[/green crosshatch]]) It is quite different from the Panama form, in color. Lacking the bright turquoise blue. [[left margin]] [[3 /// over large wavy green line]] [[/left margin]] The general habits of these birds were quite reminiscent of those of the Bay-heads in Panama. Forest, or forest-edge birds. Not particularly gregarious. But, according to David Snow, they occur in lowland forest as well as mountain forest. [[left margin]] [[4 black //// over 3 vertical green lines and 1 vertical cross-hatched line]] [[/left margin ]] The only interesting reactions I observed yesterday afternoon were CN's, or what appeared to be CN's. "Seet" Notes. Quite reminiscent of the SN's of Plain-colored Tanagers in sound. Sometimes uttered in series; but not accelerated into CN Trll's [[left margin]] [[4 black //// lines overlying 3 vertical green lines and 1 vertical cross-hatched line]] [[/left margin]] The Snows say that they have heard the local Bay-heads utter a call more or less comme ça: "Seeeee tee tee tee." Musical (in a minor key). Is this the "song" of the local birds??? Tangara, I July 28, 1961 Sevila [[left margin]] [[6 black ////// lines overlying 3 vertical green lines and 1 vertical cross-hatched line]] [[/left margin image]] More notes from D. Snow on "song" gyrola viridissima. Phrase of 5 notes. "Seeee seeee seeee tsoo tsooee" [[3 dashes on page indicating high notes followed by 2 lower dashes indicating lower notes]] [[end]]