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[[circled]] 113 [[/circled]] th birds flitting about quite actively. Sometimes together, sometimes apart. [[margin, in red]] Albis [[/margin]] Apparently getting insects only by fly catching. Then a [[male symbol]] Albi (definite [[margin, in green]] 94 [[/margin]] identification) appears 6 ft up in dense bush. Right under tall tree in which Slatethroats happen to be at the time. Albi silent. Obviously "escorting." Disappears almost immediately. Then a single elaenia [[green checkmark]] [[margin, in green]] 95 [[/margin]] j ---> Slatethroats. Also disappears almost immediately. [[margin, in red]] Scan [[/margin]] Scans seem to have left this area completely (too). Bushes which had tubular flowers a couple of months ago now have red berries A few drops of rain begin 3:30 pm. Everything still very dull. Leaving. Go on to another semi-isolated patch of forest. 7900-8000 ft. Just under where I worked yesterday. Don't see anything of interest up to 4:05. (Altho I do hear a few birds in tree-tops This is [[underline]] not [[/underline]] an area where fog comes frequently. It certainly is my impression that, [[underline]] at this altitude [[/underline]], mixed flocks are much more common in areas which are frequently foggy than in areas which usually are clear. (This supports hypothesis that the formation of mixed flocks is initially a "defensive" reaction.) But why are mixed flocks so highly developed on top on Munchique, which is not a [[underline]] very [[/underline]] foggy area? Because vegetation is so thick (thus impeding visibility)??? More important, why are mixed flocks very rare or absent in Quito region, parts of which [[underline]] are [[/underline]] very foggy, at least at times? Because dense vegetation has a restricted distribution in that region (now)????? 4:29pm. Just a few yards further up hill. Region where the [[margin, in purple]] X HO [[/margin]] patch of forest is particularly thin and scrubby. See definite mixed flock. Rather small. Includes at least 1 [[green check mark]] [[insert, in purple]] 1 [[/insert]] Blue & Black, 2 [[two green checkmarks]] [[insert, nin purple]] 3 [[/insert]] flycatchers (different [[margin, in green]] 99 [[/margin]] species- 1 large, possibly [[underline]] Myiarchus [[/underline]], and 1 [[green check mark]] [[insert, in purple]] 4 [[/insert]] small, possibly [[underline]] Empidouax [[/underline]]