Gymnoptys california April 13, 1946 Hopper Canyon, Calif. adult landed there two flushing imm... another adult (4th) landed in a pothole 1/4+ mile N. of Big Cave - so at least 4 adults & 4 imm. present. 7:57, another (5th) adult spiraled in & landed in the same pothole occupied by an adult - one of the two flew out 5+ sec. later (5 ad. + 4 imm. present). 4 p.m. - 5 adults & 3 imm. visible perched; 2 adults together atop cliff over Whitewash ledge, 2 adults + 2 imm. on the ledge; - then others came in & there was lots of activity until 5 p.m. Until about 4:30 I counted 17 at once (9 adults, 8 imm.) and by 5 p.m., 24 (at least 11 imm.). Saw 2 or 3 adults and 5+ imm. drink. Drinking was by nibbling 3+ times at water, then lifting head up. One adult & 2 imm. took a fairly good bath. In bathing, the birds waded into the water up to heels, then squatted down with breast in water, laid head & neck in the water, & gave a sideswipe which threw water up on the rock & half spread wings. Ed photos the bathing. The immatures pulled up some green grass but did not appear to swallow it. One imm., standing in 4+" of clear water, picked a 6+" long twig from the bottom of the pool & carried it 5+' in the hillas if playing with it. One adult tugged at an