LLW04 1964 July 8 Aimophila boweri Laguna Atascosa Refuge, Cameron Co., Texas. 0545-600 adult up on dead upper branches of 3' Lycium chipping + going thru bill cocking + spreading, wing flecking, + slight ruffling of plumage. Bill wiped in short time + spent most of time preening. Changed perchus several times but only once into branches of live, 7' mesquite. 0600- down to ground until 0601. Then back up into Lycium where preened + gave excitement display again. 0605.5 - down to ground around base of Lycium area here is covered with composites + grass other than bunchgrass. 0607- Back up into Lycium where chipping excitedly with small green Orthoptera in bill. Finally flew to dead bush 10+ feet to W of Lycium, dropped down behind + came up without the food. Did not bill wipe. Then back to Lycium in upper branches on W side. Changed to E side & I saw movement at live base of Lycium + Cactus When worked up to top. Sparrow then displaced it from one perch to then a 2nd from which were flew to an Agave 25± ft. to SW. Followed by sparrow, which did not displace were a 3rd time but sat quietly in the Agave. Another sparrow flew by going SW & lit 20± feet to WSW of Agave - my bird flew over to nearly same spot with rather fluttery flight. Heard chatter "reunion" call as bird landing - sounded like single bird. Both sitting above ground in clumps of bunchgrass. Own flies off to W as hear another bird giving tzeek notes down them. Then back. At meantime other has obtained a washing stick-like organism which is carried in bill. 1st then flew to E 75+ yds, where singing as