Mayhew 1947 Mar.15 Mallard Lake Merritt, Oakland, Alameda Co, Calif. At 10:30 A.M. a ♂ and 2 ♀ were seen feeding about 30' away, The ♂ had a beautiful green head predominant. Both sexes had reddish-orange legs. When feeding, they stand on their heads, feet waving continually to keep them in that position. They averaged about 4 seconds under water. 1949 April 25 Conway Ranch, 2 miles east of Woodland, Yolo Co., Calif. One nest was found in a dry tule area, in which the tulles averaged about 18 inches in height. The nest was placed in a clump of these tulles, + was rather well concealed. The nest contained 8 eggs. The ♀ flushed from the nest when we were about 20 feet from the nest, but she remained in the area. May 7 Today 172 drakes were counted on the ranch west of the main canal that passes just east of the headquarters buildings. The males still seem to protect their territories from invasion by other pairs, since a number of instances were seen where a ♂ was chasing a pair away from an area, + then he would return to the same place. May 14 Today 260 drakes were seen in the same area that was covered last week. On several occasions 2 or more males were seen swimming in very