72 near Tzitzio June 7 of trees. This was the most open situation in which I have found this wren - actually a meadow (dry at the time) of grassy fields with a few oaks here [there, ] Calls: Did not hear "auctus" wren "song-gua," 2) Did not hear prolonged cha or che call. Heard only a few softer note to nasal chow chow, chowt calls, given by single birds, This is quite unlike the "che (nasal) callejo" of C. jocularis and is not easily recognizable as being that of a Campylorhynchus wren. The nesting season seems well advanced so this will have to be taken into consideration in my thinking on differences between gularis & jocularis x - Doris mentions this wren as being "very common" in thorn formation & "rare" in oaks. Actually by my standards it is only uncommon in the area, seems to be present a good deal in oaks. I think the lack of nests is good [due] to its abundance. Few observations of more than 2 birds together suggest possible social set up similar to jocularis but will need more work. At noon we took several photos & cliffs above Tzitzio area then drove to Km. 259, 1 km also from Puerto Lqnica (=1Km W Puerto Garnica, 8500 ft.).