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Greater Scaup (Aythya marila) - http://www.ducks.org/hunting/waterfowlGallery/96/index.html
Breeding, migration, population, food habits, and physical characteristics. Includes photographs and a sound file. |
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Common Pochard (Aythya ferina) - http://www.kenyabirds.org.uk/pochard.htm
Offers a photo of this bird and describes its range and feeding habits. |
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Redhead: Aythya americana - http://bna.birds.cornell.edu/bna/species/695/articles/introduction
Introduction to this species, from Birds of North America Online, with a photograph and range map. |
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Ring-necked Duck: Aythya collaris - http://bna.birds.cornell.edu/bna/species/329/articles/introduction
Introduction to this species, from Birds of North America Online, with a photograph and range map. |
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Greater Scaup: Aythya marila - http://bna.birds.cornell.edu/bna/species/650/articles/introduction
Introduction to this species, from Birds of North America Online, with a photograph and range map. |
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Canvasback: Aythya valisineria - http://bna.birds.cornell.edu/bna/species/659/articles/introduction
Introduction to this species, from Birds of North America Online, with a photograph and range map. |
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Ring-necked Duck (Aythya collaris) - http://www.mbr-pwrc.usgs.gov/id/framlst/i1500id.html
Identification tips, range maps, taxonomy chart, and life history. Includes photos. |
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Canvasback (Aythya valisineria) - http://www.mbr-pwrc.usgs.gov/id/framlst/i1470id.html
Provides photos, identification tips, abundance maps, and a taxonomy chart for this species. |
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Lesser Scaup (Aythya affinis) - http://www.dnr.state.mn.us/snapshots/birds/lesserscaup.html
Photograph plus facts about the physical traits, reproduction, and habitat of this bird. |
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Ferruginous Duck: Aythya nyroca - http://www.kenyabirds.org.uk/ferrug.htm
Photographs and information. |