Cogswell 1949 Anas acuta 2 Feb. 5 (cont.) plus outlying smaller flocks in other fields nearby easily totalled 25,000 birds —the most I've seen in 1 place since the duck boom days of 1941-42 (or since our willows refuge trip in Dec. 1945, when they were concentrated on the refuge during hunting season). July 3: N. end of Elkhorn Slough, 3 ¾ mi. S. of Watsonville, Monterey Co., Calif. Flock of 30±, all in dull plumage, flew over slough at height of 200' ft. and continued on to the N.