Weston 1946 Cygnus columbianus Jan. 5 Old River Bridge, E of Byron, Contra Costa Co., California 9:45 a.m. flock of 27 flying north, 400 ± ft. above ground. Flying slow against head wind. Frequent calls can be heard from the flock. When first seen they were flying in a ^ ↑ formation. As we watched they moved up and assumed a bunch-up formation. Feb. 9 ½ mi NW Volta, C.C. Co., California 10:45 a.m. 22 seen on water of flooded field. Several heads are asleep with wings under wings, other slowly swim about. None appear to be feeding. 3 are standing on land. Large black feet are conspicuous as they walk about. None fly as we watch. Los Banos Game Refuge, C.C. Co., California. One lone swan seen sitting at edge of slough. Does not move as we drive by 300 ± ft away. This is the only swan seen on the Refuge all afternoon.