Fulica americana -87 Jewel Lake Contra Costa Co. Calif. - The under tail coverts, tho not spread, became very conspicuous but only from a low angle - a moment later R/S at E9 was in the same pose- but probably because S was somewhere's near,- so he wasn't S is at G8- so R/S must have been excited about the vulture or something else - at least it splattered over to FS to join the rest of the crowd. Now 10:33 the vulture is gone and they have settled down to uneasy peace resulting from the presence of S at G8. SIR was hooked wi the pond weed by the tags for a moment, but quickly freed itself. 10:40-S coming out of the cat-tails at G10.1 "puked" 4 times at a Black Phoebe that was sitting on some floating cat-tail at G10.13. After the phoebe flew S became quite but went over my where he said had been- as S moved up to H11, the imm moved up to G8 and F9 where several of them are now feeding. At 10:55 I chased 13 w/1 lying out of the cat-tails at F30, they moved over. 13 last being seen at H26- as she growled and "pooked" the young scotched to shelter - and when it came too far out again see "pooked" again. Growling seems to function only when danger is pressing, and then the young scramble quickly or dive to safety- "pooking" as an