Feb 7. 1/2 mi S Del Valle Rival flew over from S and perched overhead above fence. Blue Jay there giving caah note. I fired at thrush but apparently did little damage, for I saw no more of him. Then another thrush moved along the fenceline from the Ward perched in tree above me. I knocked her down with 1/2 load, then tried to locate it from S of fence. No calls given by these birds. The second flew up from ground and I took her with .22 (F, b 90) No further calls from area in next 20 minutes. [?689 had 2 narrow windows on either side of mid-line of skull - single-layered when seen in X-section] none of the birds here seemed to be singing very steadily. 1 mi NE Del Valle, 300 ft, Travis Co., Texas - area along S bank of Colorado River - in many places, a single row of leafless willows; elsewhere cottonwoods and other large trees but no width to the woodland. Dr Miller explored one