May 29. Spring Creek, 6 1/2 mi ENE Skidmore, Bee Co., Texas Bird moved S - at 8:41 75 yards Sof 9:36 position 2 min later I heard hear - - and then a scold dut - - - - - and saw Otmouse inspecting a cavity in a leafless oak - cavity vertical on top of a branch - bird continued scold - then gurgling call and I saw Carolina Chickadee in same low oak and Otmouse flew at it. Tit then flew SE to another leafless oak and then S I heard tur - - - song at 8:45 - same bird ? At 8:52, Otmouse scolding yet - - - and following Carolina Chickadee in mesquite 100 ft downstream from fence. I fired at Otmouse with .22 and it escaped, working SE along bank of creek largely in oaks, crossing road by 9:00. At 9:04 in large oak SE of road - then silent later I heard it S of creek followed it there then across creek again. Bird singing peer - - a very rapid sequence of melodious notes of one pitch in answer to bird to N in mesquite Otmouse wary, circled, returned to oaks along creek at 9:30. Song tur - - from NW at 9:34. I am certain this is the same bird, unmated a Black-crested Titmouse still singing as I walked N At 9:45 I caught up with singing Otmouse to N in mesquite oak SE of cattleguard on same fence I had crossed earlier. Peer - - - and Tur Tur now what his songs sounded like to me. I caught up to the bird once and it called see see laver yet twice then flew on. Or circled and was S again near when