Mayhew 1949 Mallard 9. June 12 Conaway Ranch, 2 miles east of Woodland, Yolo Co., Calif. [7] of half-grown ducks. Each brood had 6 young. Apparently they had been together when I came upon them. One brood swam in one direction, the other brood in the other direction. Both mothers trekked wildly about in the water to distract me. The young swam about 40 yards in each direction, + then hid in the tules. One ♀ circled the area, while the other one hid with her brood. June 15 Today I rode a grain harvester in a barley field to learn how many nests are destroyed by the harvest. [12] One nest was uncovered that contained 6 eggs. There was no cover around the nest after the harvester passed over. [13] This nest was destroyed by a wheel of the harvester. It contained 6 eggs. There was little down in the nest. The ♀ was flushed from the nest by the harvester. [14] This nest was also destroyed by a wheel. The ♀ was flushed from 9 eggs. [15] a ♀ was flushed from this nest. There was 1 egg + 2 dead young in the nest. There was also profuse down in the nest. [16] This nest contained 8 eggs. There was