photographs by Douglas Herr
Birds: order Anseriformes

subfamily Anserinae
genus Anser

Snow Goose (Anser caerulescens)
Ross's Goose (Anser rossii)
several photographs
Greater White-fronted Goose (Anser albifrons)

genus Branta

Canada Goose (Branta canadensis)

genus Cygnus

Mute Swan (Cygnus olor)
several photographs
Trumpeter Swan (Cygnus buccinator)
several photographs
Tundra Swan (Cygnus columbianus)
several photographs

subfamily Anatinae
genus Aix

Mandarin Duck (Aix galericulata)
Wood Duck (Aix sponsa)

genus Spatula

Garganey (Spatula querquedula)
Blue-winged Teal (Spatula discors)
Cinnamon Teal (Spatula cyanoptera)
Northern Shoveler (Spatula clypeata)

genus Mareca

Gadwall (Mareca strepera)
Falcated Duck (Mareca falcata)
Eurasian Wigeon (Mareca penelope)
American Wigeon (Mareca americana)

genus Anas

Spot-billed Duck (Anas zonorhyncha)
Mallard (Anas platyrhynchos)
Northern Pintail (Anas acuta)
Green-winged Teal (Anas crecca)

genus Aythya

Canvasback (Aythya valisineria)
Common Pochard (Aythya ferina)
Ring-necked Duck (Aythya collaris)
Tufted Duck (Aythya fuligula)
Greater Scaup (Aythya marila)

genus Histrionicus

Harlequin Duck (Histrionicus histrionicus)

genus Melanitta

Surf Scoter (Melanitta persicillata)
Alameda County California
White-winged Scoter (Melanitta deglandi)

genus Clangula

Long-tailed Duck (Clangula hyemalis)

genus Bucephala

Bufflehead (Bucephala albeola)
several photographs
Common Goldeneye (Bucephala clangula)
several photographs
Barrow's Goldeneye (Bucephala islandica)
several photographs

genus Lophodytes

Hooded Merganser (Lophodytes cucullatus)
several photographs

genus Mergus

Common Merganser (Mergus merganser)
several photographs

genus Oxyura

Ruddy Duck (Oxyura jamaicensis)
several photographs
all photographs Copyright (C) Douglas Herr
last updated 07 May 2020

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