2011 Feb 26 - Ridgefield Field Trip

I recorded 53 species of birds. Did I get them all? Please make any necessary updates.

Mammals:
--Mink?
--Otter?
--Coyote
--Nutria - River S Unit after the field trip
--Raccoon - River S Unit after the field trip

Cackling Goose. Branta hutchinsii
Canada Goose. Branta canadensis.
Tundra Swan. Cygnus columbianus.
Wood Duck. Aix sponsa.
Gadwall. Anas strepera.
American Wigeon. Anas americana.
Mallard. Anas platyrhynchos.
Cinnamon Teal. Anas cyanoptera.
Northern Shoveler. Anas clypeata.
Northern Pintail. Anas acuta.
Green-winged Teal. Anas crecca.
Ring-necked Duck. Aythya collaris.
Lesser Scaup. Aythya affinis.
Bufflehead. Bucephala albeola. - River S Unit after the field trip
Hooded Merganser. Lophodytes cucullatus.
Pied-billed Grebe. Podilymbus podiceps.
Double-crested Cormorant. Phalacrocorax auritus.
Great Blue Heron. Ardea herodias.
Great Egret. Ardea alba.
Bald Eagle. Haliaeetus leucocephalus.
Northern Harrier. Circus cyaneus.
Red-tailed Hawk. Buteo jamaicensis.
--Red-tailed Hawk - Harlan's race
American Kestrel. Falco sparverius.
American Coot. Fulica americana.
Sandhill Crane. Grus canadensis.
Killdeer. Charadrius vociferus. - River S Unit after the field trip
Dunlin. Calidris alpina.
Wilson’s Snipe. Gallinago delicata.
Belted Kingfisher. Megaceryle alcyon.
Northern Flicker. Colaptes auratus.
Western Scrub-Jay. Aphelocoma californica.
American Crow. Corvus brachyrhynchos.
Tree Swallow. Tachycineta bicolor.
Black-capped Chickadee. Poecile atricapillus.
Brown Creeper. Certhia americana.
Marsh Wren. Cistothorus palustris.
Golden-crowned Kinglet. Regulus satrapa.
Ruby-crowned Kinglet. Regulus calendula.
Hermit Thrush. Catharus guttatus.
American Robin. Turdus migratorius.
Varied Thrush. Ixoreus naevius.
European Starling. Sturnus vulgaris.
Yellow-rumped Warbler. Dendroica coronata.
Spotted Towhee. Pipilo maculatus.
Fox Sparrow. Passerella iliaca.
Song Sparrow. Melospiza melodia.
Lincoln's Sparrow. Melospiza lincolnii.
White-crowned Sparrow. Zonotrichia leucophrys.
Golden-crowned Sparrow. Zonotrichia atricapilla.
Dark-eyed Junco. Junco hyemalis.
Red-winged Blackbird. Agelaius phoeniceus.
Western Meadowlark. Sturnella neglecta.
Brewer's Blackbird. Euphagus cyanocephalus.