Summary of Ground Waterfowl and Waterbird Surveys Date of Survey: November 21&27, 2017 MI-1 MI-7 MI-10S Great Blue Heron: 1 Ducks: 31 total Tundra Swan: 22 Tundra Swan: 102 American Black Duck: 24 White Ibis: 13 Pied-billed Grebe: 3 MI-10N Little Blue Heron: 2 Mallard: 4 Ducks: 2860 total Great Egret: 1 Canada Goose: 8 Tundra Swan: 2143 Pied-billed Grebe: 2 Tundra Swan: 80 Northern Pintail: 2500 Gadwall: 3 Great Egret: 6 MI-2W American Black Duck: 10 Ducks: 70 total MI-8W American Wigeon: 50 Unidentified Ducks: 70 Ducks: 5 total Canada Goose: 9 Tundra Swan: 157 Canada Goose: 6 Green-winged Teal: 300 Canada Goose: 498 Tundra Swan: 345 Little Blue Heron: 1 Snowy Egret: 2 MI-11 Great Blue Heron: 1 Glossy Ibis: 1 Ducks: 1243 total White Ibis: 3 Wood Duck: 259 MI-2E Gadwall: 5 American Wigeon: 810 Ducks: 115 total Gadwall: 43 Canada Goose: 170 MI-8E Mallard: 88 Unidentified Ducks: 110 Ducks: 2758 total Green-winged Teal: 1 Mallard: 5 Northern Pintail: 1960 American Black Duck: 38 American Wigeon: 470 Ring-necked Duck: 4 MI-3 Gadwall: 10 Double-crested Cormorant: 2 Canada Goose: 20 Canada Goose: 40 Great Blue Heron: 2 Great Blue Heron: 1 Tundra Swan: 794 Great Egret: 1 Green-winged Teal: 300 MI-4 Long-billed Dowitcher: 20 Impoundment Totals Ducks: 2581 total Short-billed Dowitcher: 5 Ducks: 10,977 American Coot: 826 Northern Shoveler: 4 Unidentified Ducks: 180 Pied-billed Grebe: 19 White Ibis: 1 Tundra Swan: 5,433 Canada Goose: 366 Caspian Tern: 1 Canada Goose: 1,119 Northern Pintail: 1294 Ring-billed Gull: 4 Tundra Swan: 680 Mallard: 10 Ring-necked Duck: 215 American Black Duck: 4 Hooded Merganser: 2 Ruddy Duck: 15 MI-9 Great Blue Heron: 3 Ducks: 1313 total American Wigeon: 578 Tundra Swan: 710 Northern Shoveler: 5 American Coot: 465 Gadwall: 472 Northern Pintail: 380 Great Egret: 1 Gadwall: 350 Double-crested Cormorant: 4 Ruddy Duck: 33 American Wigeon: 501 MI-5 American Black Duck: 28 Ducks: 1 total Pied-billed Grebe: 7 Tundra Swan: 400 Bufflehead: 1 Ring-necked Duck: 1 Mallard: 20 Canada Goose: 2 Great Egret: 1 American Coot: 1 .