Apr. 21 Mayhaw Creek Cloudy, having rained lightly during night. I parked my car at 6:50 and walked S toward territory of lone I seen #15. I listened as I walked slowly, reaching pipeline at 7:05, but heard no thrush songs. I proceeded W to roadway leading S - there in mesquites were singing thrice. The mesquites W the drive were young; few exceeded 8 ft. I thought stalking would be difficult so I went S to near the creek. There in elm & mature mesquite, 2 thrice W road, one E, all singing. Songs: Keyta keyta and terry tury tury from S along creek peta - - - (rapid) later slow payta payta Bird to north sang triddle set triddle set of mouse? I followed S bird into elms & tried stalking his neighbor to east at 8:10 singing peta - - - A Barred Owl flew across a glade and into the elms near the point where this bird sang. He gave a scored a vehement vet vet vet vet each note of increasing intensity, each sharp and nasal in quality. Soon singing was resumed in exchange with it to W, even before the owl left. Singer started E and I followed disturbing the bird which gave vet vet call less expressively. Soon it commenced singing peta peta and I took him (#584) at 8:20. Song peta briefly from W at 8:26. No more song nor calls by the time I circled N & E to the roadway at 8:45. Ten minutes later I reached the baunts