Canvasback: Aythya valisineria
Introduction to this species, from Birds of North America Online, with a photograph and range map.
bna.birds.cornell.edu/bna/species/659/articles/introduction

Canvasback (Aythya valisineria)
A presentation of bird photographs, songs, identification tips, distribution maps, and life history information for North American birds, and a forum for commentary and discussion …
www.mbr-pwrc.usgs.gov/id/framlst/i1470id.html

All About Birds: Canvasback
Canvasback (Aythya valisineria). In The Birds of North America, No. 659 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
www.birds.cornell.edu/programs/AllAboutBirds/BirdGuide/Canvasback.html

Mangoverde World Bird Guide Photo Page: Canvasback Aythya valisineria
This is a Canvasback (Aythya valisineria) photo page of the Mangoverde World Bird Guide. … World Bird Guide:: Ducks, Geese and Swans:: Canvasback:: Photo Page. Previous photo …
www.mangoverde.com/birdsound/picpages/pic27-121-1.html

Canvasback, Aythya valisineria
Size: L: 50 cm. Wt: Males: 1250 g. Females: 1150 g. Sexually dimorphic in colour, but only slightly in size. Males of this species exhibit eclipse plumage.
www.aquatic.uoguelph.ca/birds/speciesacc/accounts/ducks/valisine/account.htm

Canvasback (Aythya valisineria) – Birds, Photo By: Brian Zwiebel
Canvasback Drake Duck Can Waterfowl Ice … Description: Canvasback [i](Aythya valisineria)[/i] #7987 | Ohio | March 2007 | 8.2 MP Canon Eos 20D | Canon 500 f/4 IS | 1.4x TC | 1 …
www.naturescapes.net/portfolios/displayimage.php?pos=-22678

Canvasback – Wikipedia, the free encyclopedia
… Canvasback (Aythya valisineria … bird’s species name. The canvasback sometimes lays eggs in other canvasback nests. [edit] References and external links. BirdLife International (2004). Aythya valisineria. 2006 …
en.wikipedia.org/wiki/Aythya_valisineria

Discover Life – Anatidae: Aythya valisineria (A. Wilson, 1814 …
… history, ecology, identification and distribution of Anatidae: Aythya valisineria (A. Wilson, 1814) – Canvasback … Birds of North America. New York: Western Publishing Company, Inc
www.discoverlife.org/mp/20o?search=Aythya+valisineria

CalPhotos: Aythya valisineria; Canvasback
INFORMATION PROVIDED WITH THE PHOTO: date of photo Jan 2, 2007 location Arcata (Humboldt County, California, US) photo category: Animal – Bird: MORE INFORMATION ABOUT THIS ANIMAL
calphotos.berkeley.edu/cgi/img_query?query_src=photos_fauna_sci-Bird&seq_num=206102&one=T

CalPhotos: Aythya valisineria; Canvasback
INFORMATION PROVIDED WITH THE PHOTO: date of photo Dec 11, 2003 location Lake Merritt, Oakland (Alameda County, California, US) family Anatidae; camera Canon EOS 10D; 100-400mm IS …
calphotos.berkeley.edu/cgi/img_query?query_src=photos_fauna_com-Bird&seq_num=132521&one=T

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