Google
×
Any time
  • Any time
  • Past hour
  • Past 24 hours
  • Past week
  • Past month
  • Past year
Verbatim
The canvasback (Aythya valisineria) is a species of diving duck, the largest found in North America. Canvasback. Temporal range: Pleistocene–present.
The species name of the Canvasback, valisineria, comes from Vallisneria americana, or wild celery, whose winter buds and stems are the duck's preferred food ...
People also ask
Attractive duck with distinctive triangular head; forehead slopes seamlessly into the long bill. Males are white-bodied with black chest, reddish-brown head ...
Canvasbacks breed once yearly. Breeding season: Canvasbacks nest from April to June, with a peak in mid to late May. Range eggs per season: 5 to 11.
Canvasback is the largest species of diving duck in North America and is highly recognizable due to the male's stark white body, contrasting with a deep maroon ...
ABBREVIATION : AYVA COMMON NAMES : canvasback canvas-backed duck can TAXONOMY : The currently recognized scientific name for the canvasback is Aythya ...
This exclusively North American species is considered the “aristocrat of ducks.” The male's striking appearance—rich chestnut-red head and neck, ...
Common Name(s): Canvasback, Bullneck, Can, Canard Chevel, Canny, Canvas, Gray Duck, Hickory-quaker, Horse-duck, Red-headed Bullneck, Sheldrake, Whiteback
We find that the avian cranium is highlymodular, consisting of seven independently evolving anatomical regions. The face and cranial vault evolve faster than ...
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence < ...