In the traditional survey area (strata 1-18, 20-50, and 75-77), total duck abundance was 36.1 ± 0.6 [SE] million birds. This was 14% below (P\u3c 0.001) last year’s estimate of 41.8 ± 0.7 million birds, but still 9% above the long-term (1955-2000) average (P \u3c 0.001). Mallard (Anas platyrhynchos) abundance was 7.9 ± 0.2 million, which is 17% below (P\u3c0.001) the 2000 estimate of 9.5 ± 0.3 million and similar to the long-term average (P=0.08). Blue-winged teal (Anas discors) abundance was 5.8 ± 0.3 million, which was 23% below last year’s estimate of 7.4 ± 0.4 million (P=0.001), but 29% above the long-term average (P = 0.001). Green-winged teal (Anas crecca) abundance was 2.5 ± 0.2 million, 39% above the long-term average (P\u3c0.001) b...