24. Parus atricapillus March | Santa Clara Wildlife Refuge seemed to be softer and a little more plaintive. The bird gave the usual sit and a softer see or seat. Bird came in to get some water which had collected on stake pipe - bird hung there with silvers grip of pipe, flew to tamarisk E, wiped bill & back to ebony beside house. 5:00 - 5:10 pair in ebony west side of home N of bend. Then one was chased across to tree E of house by a bird which returned to ebony (its mate? mystically?) Mate then joined till they foraged there until 5:15. Then they worked E across canopy over lawn. At 5:20, one in tiny tree E of drive & other in dead snag to E at edge of lake. At 5:25 former flew S & I watched its mate to E latter flew to tree from which other had flown this at 5:27 and called sit see dee dit dit softly then sat a little more emphatically than usual WIND STRONG FROM NE. Tt move then crossed drive worked thru ebony at corner p into whitebark tree next to it. Bird did not call again after 5:33 nor did I hear its mate. No roost site evident in whitebark. March 2. | 4 miles SE Rio Grande City, Starr Co., Texas I walked over flat land bench, the first level above the bottomland of the Rio Grande & heard a pair of towmice at about 8:50 I shot at one with a .22 shell & missed. From here I dropped down along the bottomland but found no towmice until I was retracing my steps after covering an area 5 acres or so in extent. I heard a pair calling sit see and spotted one in a mesquite,