Biology

Ring-necked Duck: Aythya collaris Ring-necked Duck: Aythya collaris- Introduction to this species, from Birds of North America Online, with a photograph and range map. Canvasback: Aythya valisineria Canvasback: Aythya valisineria- Introduction to this species, from Birds of North America Online, with a photograph and range map. Redhead: Aythya americana Redhead: Aythya americana- Introduction to this species, from Birds of North America Online, with a photograph and range map. Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)- Photograph plus facts about the physical traits, reproduction, and habitat of this bird. The Lesser Scaup The Lesser Scaup- Student project on Aythya affinis with classification, habitat, adaptation, diet, reproduction and interactions with other species. Ring-necked Duck (Aythya collaris) Ring-necked Duck (Aythya collaris)- Identification tips, range maps, taxonomy chart, and life history. Includes photos. Canvasback (Aythya valisineria) Canvasback (Aythya valisineria)- Provides photos, identification tips, abundance maps, and a taxonomy chart for this species. Redhead (Aythya americana) Redhead (Aythya americana)- Facts about this species' reproduction, ecology, and behavior. Includes a photo, sound file, and range map. Ross's Goose: Anser rossii Ross's Goose: Anser rossii- Introduction to this species, sometimes classified as Chen rossii, from Birds of North America Online with a photograph and range map. Emperor Goose: Anser carnagica Emperor Goose: Anser carnagica- Introduction to this species, sometimes classified as Chen carnagica, from Birds of North America Online, with a photograph and range map. Greater White-fronted Goose: Anser albifrons Greater White-fronted Goose: Anser albifrons- Introduction to this species, from Birds of North America Online, with a photograph and range map. Snow Goose: Anser caerulescens Snow Goose: Anser caerulescens- Introduction to this species, sometimes classified as Chen caerulescens, from Birds of North America Online, with a photograph and range map. Pink-footed goose (Anser brachyrhynchus) Pink-footed goose (Anser brachyrhynchus)- Physical description, breeding and wintering habitat, distribution in the UK, and list of preserves where this species can be found. White-fronted Goose (Anser albifrons) White-fronted Goose (Anser albifrons)- Winter range map, photo, taxonomy chart, and identification tips. Hawaiian Duck: Anas wyvilliana Hawaiian Duck: Anas wyvilliana- Introduction to this species, from Birds of North America Online, with a photograph and range map. Laysan Duck: Anas laysanensis Laysan Duck: Anas laysanensis- Introduction to this species, from Birds of North America Online, with a photograph and range map. Northern Pintail: Anas acuta Northern Pintail: Anas acuta- Introduction to this species, from Birds of North America Online, with a photograph and range map. Anas crecca (Green-Winged Teal) Anas crecca (Green-Winged Teal)- Offers a sound file and facts about this duck's physical traits, food habits, and behavior. Anas platyrhynchos (Mallard) Anas platyrhynchos (Mallard)- Photos and details on the food habits, behavior, and habitat of this bird. Anas cyanoptera (Cinnamon Teal) Anas cyanoptera (Cinnamon Teal)- Scientific classification, geographic range, physical traits, and food habits. Northern Pintail Northern Pintail- Student project on Anas acuta, including classification, habitat, adaptation, nutrition, reproduction and interactions with other species. Blue Winged Teal: Anas discors Blue Winged Teal: Anas discors- Student project with classification, habitat, adaptation, diet, reproduction and interactions with other species. Anas platyrhynchos: The Mallard Anas platyrhynchos: The Mallard- Research project by Jason Esse at the University of Wisconsin-LaCrosse. Pintail (Anas acuta) Pintail (Anas acuta)- Identification, habitat, photographs and distribution in Europe. Tete, The Grey Teal (Anas gracilis) Tete, The Grey Teal (Anas gracilis)- Illustration plus brief description of history and physical traits of this native to Australia and New Zealand. Parera, The Grey Duck (Anas superciliosa) Parera, The Grey Duck (Anas superciliosa)- How this duck fares in competition with the introduced species, Anas platyrhynchos, the mallard. Pateke, The Brown Teal (Anas aucklandica) Pateke, The Brown Teal (Anas aucklandica)- Explains how loss of habitat has affected this species and describes its flocking and communal rooting behavior. Cinnamon Teal (Anas cyanoptera) Cinnamon Teal (Anas cyanoptera)- Fact sheet describes the breeding, nest location, diet, and conservation status of this bird. Northern Pintail (Anas acuta) Northern Pintail (Anas acuta)- Photo, sound file and sonogram, range map, and facts about this species. Mottled Duck (Anas fulvigula) Mottled Duck (Anas fulvigula)- Physical description, life history, range maps, and photos of this bird. Eurasian Wigeon (Anas penelope) Eurasian Wigeon (Anas penelope)- Photo, range map, identification tips, and taxonomy chart. Falcated Duck (Anas falcata) Falcated Duck (Anas falcata)- Photo of the adult male of this species. Gadwall (Anas strepera) Gadwall (Anas strepera)- Details about this species' reproduction, ecology, and behavior. Includes a photo. Northern Shoveler (Anas clypeata) Northern Shoveler (Anas clypeata)- Image, range maps, and links for this species. Hottentot Teal (Anas hottentota) Hottentot Teal (Anas hottentota)- Facts, photos, and a video of this species. Mallard (Anas platyrhynchos) Mallard (Anas platyrhynchos)- Photo of the male and female of this species, range maps, and facts about its habitat and diet. American Wigeon (Anas americana) American Wigeon (Anas americana)- Image, range maps, and links for this species. American Black Duck: Anas rubripes American Black Duck: Anas rubripes- Photograph, physical description, distribution, reproduction, ecology, and behavior of this species. Includes a sound file. RSPB: Egyptian Goose RSPB: Egyptian Goose- Factsheet on this bird which was introduced as an ornamental wildfowl species in the UK and has escaped into the wild. Egyptian Goose Egyptian Goose- A large number of photographs of Alopochen aegyptiacus. Egyptian Goose Egyptian Goose- Information from Wikipedia on Alopochen aegyptiacus, its distribution and natural history. Aix sponsa (Wood Duck) Aix sponsa (Wood Duck)- Photos, sounds, and taxonomy of this bird. Aix galericulata (Mandarin Duck) Aix galericulata (Mandarin Duck)- Physical characteristics, natural history, and conservation of this species. The Wood Duck: Aix sponsa The Wood Duck: Aix sponsa- Research project by Christian Larson on this bird including its classification, habitat, reproduction, adaptations, nutrition and interactions with othe… Taricha torosa (California Newt) Taricha torosa (California Newt)- Range, habitat, physical characteristics, reproduction, behavior, food habits, and conservation status. Taricha rivularis Taricha rivularis- Several photographs of the red-bellied newt. Taricha torosa and Taricha sierrae Taricha torosa and Taricha sierrae- Several photographs, taxonomy, description, natural range and habitat, housing, feeding and breeding. Taricha granulosa Taricha granulosa- Several photographs of the rough-skinned newt, description, natural range and habitat, housing, feeding and breeding. Taricha granulosa (Rough-skinned Newt) Taricha granulosa (Rough-skinned Newt)- Physical traits, distribution, habitat, and life history. Includes an image. Taricha rivularis (Red-bellied Newt) Taricha rivularis (Red-bellied Newt)- Distribution, habitat, breeding, and diet of this species.