The species takes its specific name, Aythya valisineria, from Vallisneria americana, or wild celery, whose winter buds and rhizomes are its preferred food ...

AUTHORSHIP AND CITATION : Tesky, Julie L. 1993. Aythya valisineria. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest ...

The canvasback, Aythya valisineria, is a large duck that breeds in Alaska and western Canada, as well as in the northwestern and north-central United States.

Jun 9, 2023 · Canvasbacks are diving ducks, which means they dive underwater to feed on vegetation and some insects or aquatic animals.

Attractive duck with distinctive triangular head; forehead slopes seamlessly into the long bill. Males are white-bodied with black chest, reddish-brown head ...

Learn about the Canvasback (Aythya valisineria). Explore species distribution maps and see photos & recent sightings. Download Birda for free.

The canvasback (Aythya valisineria) is a species of diving duck, the largest found in North America.

Canvasback - Aythya valisineria - Species Information and Photos, including id keys, habitat, diet, behavior, nesting, migration, and conservation status.

Canvasbacks are active during the day, they are highly social, and they migrate seasonally between breeding and non-breeding ranges. They migrate in loose V- ...

Canvasback Aythya valisineria. Unlike many wintering ducks, which return to the same sites year after year, the Canvasback is rather irregular. Almost ...