Biology

King Eider (Somateria spectabilis) King Eider (Somateria spectabilis)- Photos, identification tips, Christmas Bird Count map, and taxonomy chart. Spectacled Eider (Somateria fischeri) Spectacled Eider (Somateria fischeri)- Identifying traits, life history, and taxonomy of this species. Eiders Eiders- Illustrations, physical traits, and habitat of four species of eiders. Common Eider (Somateria mollissima) Common Eider (Somateria mollissima)- Physical appearance, range, behavior, and nesting of this bird. King Eider (Somateria spectabilis) King Eider (Somateria spectabilis)- Image, description, distribution, and ecology of this species. Comb Duck Comb Duck- Information from Wikipedia on Sarkidiornis melanotos, also known as the knob-billed duck. Steller's Eider Steller's Eider- Physical characteristics and feeding habits for this species. Includes taxonomy chart. Steller's Eider (Polysticta stelleri) Steller's Eider (Polysticta stelleri)- Image of breeding adult pair. Spur-winged Goose Spur-winged Goose- Information from Wikipedia on Plectropterus gambensis which is found in wetlands in the southern half of Africa. Stiff-tailed Duck Stiff-tailed Duck- Information from Wikipedia on the fresh water diving ducks of the genus Oxyura. Netta Netta- Information from Wikipedia on this genus of diving ducks with a photograph of a red-crested pochard. Lophodytes cucullatus (Hooded Merganser) Lophodytes cucullatus (Hooded Merganser)- Species account includes photos and data on this bird's food habits and reproduction. Hooded Merganser (Lophodytes cucullatus) Hooded Merganser (Lophodytes cucullatus)- Identification tips, photos, range maps, and life history for this species. Auckland Island Merganser (Mergus australis) Auckland Island Merganser (Mergus australis)- Illustration and history of this extinct New Zealand bird. Hooded Merganser (Lophodytes cucullatus) Hooded Merganser (Lophodytes cucullatus)- Physical description of male, female, juvenile, and duckling. Includes range map and photo. Histrionicus histrionicus (Harlequin Duck) Histrionicus histrionicus (Harlequin Duck)- Describes the food habits, behavior, range, and conservation status of this species. Harlequin Duck (Histrionicus histrionicus) Harlequin Duck (Histrionicus histrionicus)- Winter range map, photos, identification tips, and taxonomy chart. Black-bellied Whistling-Duck: Dendrocygna autumnalis Black-bellied Whistling-Duck: Dendrocygna autumnalis- Introduction to this species, from Birds of North America Online, with a photograph and range map. Fulvous Whistling-Duck: Dendrocygna bicolor Fulvous Whistling-Duck: Dendrocygna bicolor- Introduction to this species, from Birds of North America Online, with a photograph and range map. Cygnus olor (Mute Swan) Cygnus olor (Mute Swan)- Species account includes facts on geographic range, physical traits, and behavior. Provides photos. Cygnus buccinator (Trumpeter Swan) Cygnus buccinator (Trumpeter Swan)- Photos, taxonomy, reproduction, habitat, food habits, and conservation status. The Mute Swan: Cygnus olor The Mute Swan: Cygnus olor- Student project with classification, habitat, adaptation, diet, reproduction and interactions with other species. Black Necked Swan Black Necked Swan- Research project on Cygnus melancoryphus by Laura Erdman at the University of Wisconsin-LaCrosse. Mute Swan (Cygnus olor) Mute Swan (Cygnus olor)- Facts about the history, nesting, and diet of this introduced New Zealand bird. The Trumpeter Swan Society The Trumpeter Swan Society- A private, non-profit organization dedicated to assuring the vitality and welfare of wild Trumpeter Swan populations. Mute Swan (Cygnus olor) Mute Swan (Cygnus olor)- Provides an image, range maps, and facts about this bird's diet, habitat, and physical characteristics. Whooper Swan (Cygnus cygnus) Whooper Swan (Cygnus cygnus)- Photos and tips on distinguishing this bird from the Mute Swan. Includes data on distribution in Iceland, Europe, and Asia. Did Trumpeter Swans Ever Breed in Eastern North America? Did Trumpeter Swans Ever Breed in Eastern North America?- Discussion by Bill Whan and Gerry Rising of the controversial program for introduction of Cygnus buccinator into the east… Trumpeter Swan (Olor buccinator) Trumpeter Swan (Olor buccinator)- Describes the behavior, conservation status, risk factors, and outlook for this species. Clangula hyemalis (Long-tailed Duck) Clangula hyemalis (Long-tailed Duck)- Species account includes photographs, illustrations, European distribution map and facts about this duck's habitat. Long-tailed Duck (Clangula hyemalis) Long-tailed Duck (Clangula hyemalis)- Physical characteristics, life history, video, range map, and taxonomy chart. Bucephala albeola (Bufflehead) Bucephala albeola (Bufflehead)- Description and a photo of this small North American diving duck. Bufflehead: Bucephala albeola Bufflehead: Bucephala albeola- Student project with classification, habitat, adaptation, diet, reproduction and interactions with other species. Barrow's Goldeneye (Bucephala islandica) Barrow's Goldeneye (Bucephala islandica)- Photographs of this species and a European distribution map. Goldeneye (Bucephala clangula) Goldeneye (Bucephala clangula)- Photographs, European distribution map, videos and facts. Bucephala islandica (Barrow's Goldeneye) Bucephala islandica (Barrow's Goldeneye)- Photos and a brief narrative on this species. Common Goldeneye (Bucephala clangula) Common Goldeneye (Bucephala clangula)- Species account includes range maps, photos, identification tip, and the life history of this bird. Bufflehead (Bucephala albeola) Bufflehead (Bucephala albeola)- Describes the difference between the male, female, and juvenile of this species. Includes a photo. Canada Goose: Branta canadensis Canada Goose: Branta canadensis- Introduction to this species, from Birds of North America Online, with a photograph and range map. Hawaiian Goose: Branta sandvicensis Hawaiian Goose: Branta sandvicensis- Introduction to this species, from Birds of North America Online, with a photograph and range map. Brant: Branta bernicla Brant: Branta bernicla- Introduction to this species, from Birds of North America Online, with a photograph and range map. Branta canadensis (Canada Goose) Branta canadensis (Canada Goose)- Species account describes this goose's geographic range, physical traits, behavior, and habitat. Living with Wildlife: Canada Geese Living with Wildlife: Canada Geese- The Washington Department of Fish and Wildlife provides information on these geese and their interactions with humans. Canadian Goose Canadian Goose- Research project on Branta canadensis by Kaylee Beckwith at the University of Wisconsin-LaCrosse. Nene or Hawaiian Goose (Branta sandwicensis) Nene or Hawaiian Goose (Branta sandwicensis)- Physical traits, voice, behavior, and distribution in Hawaii. Canada Goose (Branta canadensis) Canada Goose (Branta canadensis)- Describes this bird's breeding and winter habitat, diet, and physical traits. Includes a photo. Washington Brant Foundation Washington Brant Foundation- Promotes conservation of Branta bernicla in western North America. Includes migration, diet, and other information. Brant (Branta bernicla) Brant (Branta bernicla)- Physical characteristics of the adult and juvenile, behavior, and ecology. Includes a sound file. Lesser Scaup: Aythya affinis Lesser Scaup: Aythya affinis- Introduction to this species, from Birds of North America Online, with a photograph and range map. Greater Scaup: Aythya marila Greater Scaup: Aythya marila- Introduction to this species, from Birds of North America Online, with a photograph and range map.