Fulica americana -91 Jewell Lake, Contra Costa Co., Calif- causing them to move to G & H 4 - now S is at G 6 w/1 yng - about 1:15 S was at I 5.1 w/1yng, feeding a diving in the clear water there. At 2:03 no costs are visible, the 2 can hear what sounds like considerable activity in some areas,- 2:05- G&S is at H 4, S/R is at G 4 and several more are at F 4& 5. At 2:10 something seems to have the redwings agitated and the 2costs that are visible seem to be alerted by the confusion among the redwings. Now at 2:15 a young is "whewring" at H 8 or 9, no parent visible- 2:16 the S & 1 yng are at G 10 and the yng is giving a low quiet "peep-peep-peep", S is "pukking" and moving N, feeding as he goes- GF made 2 dives at H 4, one of 6 sec- one of 4 sec. - S has moved to E 9, he "pukked" once and all the imm got alert, and some have started moving into the cat-tails at F 4- all of them are close to the cat-tail. There so they can duck in quickly. Now S is moving S at F 7 followed by a whewring yng. he is moving fast (2:24) at F 6- the imm are dashing into the inlet at H 4 and now 2:25 all are out of sight except S at G 6 - 2:26 the redwing went up with a roar and S has moved quickly and alertly w/o feeding to cover at G 8- the yng tailing closely- the S was alert in the move- 2 imm at H 4 seen