Fulica americana -124- 23 Lake Temescal, 420 ft., Oakland, Alameda Co., Calif. Sketch Map of S end of Lake Temescal as I visualize it without any survey. N ||||| - approximate defended boundary. O nests. Sw pair S pair nest N group and for one short period of time most of the birds at the S end of the lake were making some sort of noise. This display was at the NW corner of the S area. As the display broke off, the S adult gave at least 3 crowing notes, and was soon joined by its mate. As to the separation all the birds were