Fulica americana No 3 Lake Tamesal, 420 ft, Alameda Co., Calif.- cat-tails at K7.17. & the flock is eating very extensively on the leaves of the Oxeye [illegible] growing along the shore at N12. 2 birds of the flock just got chased out from about I9 to I10, chasers crowed and cackled. A dog on the shore causes shore at E/1 causes 4 costs at I10 to display their tail coverts. - thusly - Both SE birds seen billing on one occasion. Birds up on shore adjacent to the [illegible] being defended by this SE pair don't incurse the attacks that birds on the water do. Though short aggressive deeds are made, they are not consistently pressed. at 2:30 two birds of the flock at, L10.2, did a partial paired display and threatened to fight one another. A moment later a S shield bird came out and drove them and 7 other birds to N11. What it might be the beginning of a nesting platform at K7.16. just an accumulation of cat-tail stuff. jewel lake, 512 ft., Contra Costa Co., Calif.- 5 birds on lake when I arrived at 4:15 p.m. (see my next page). The bird that moved to E/15, to feed on insects floating on the water, gave a series of ? notes. She does not have an S shield. Two birds seen over new L26 tho seem to have it. The bird at F9 and lot F25