Mch 30. SpringCreek been cleared for mesquite was small. Liveoak and post oaks were intermingled. The bird stopped singing but foraged in a live oak, calling [illegible] infrequently. I took it (#515). I walked N at 7:15 and covered the liveoak-postoak woodland on either side of the creek for 1/4 mi N. I returned to the car at 10:00 having seen no [illegible]. Then I heard a brief bit of song pita-pita from the W bank of the creek S of the road. I investigated and heard Tickadee dee, then sit sit and saw two titmice foraging in a large liveoak. Then I heard a call dut-dut-dut and saw courtship feeding take place. The [illegible] extended food in his bill to the ? who fluttered her wings and continued to do so silently on the same perch for several seconds after he left. The ? had a black crest, white facehead, ? not seen closely. ? fluttered wings and gave sit-sit-sit in rapid sequence as ? approached, call intensified to dut-dut-dut as ? drew near... I moved then to east side of oaks as I made ready to take her, then flew across creek into blackbrush. I caught up with them inside there and witnessed "courtship" feeding again, the male extending his food laden bill while hanging upside down. ? led into large oak and then into blackbird E calling vet-vet-vet from there. ? seemed more interested in foraging, silent. ? flew to small oak E and then I lost track of bird until I saw presumed ? in oaks yards E. He moved along as though slow foraging, calling sit infrequently. I had seen a bird which may have been the ?