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canvasback    
n. 野鸭的一种[北美产]

野鸭的一种[北美产]

canvasback
n 1: North American wild duck valued for sport and food [synonym:
{canvasback}, {canvasback duck}, {Aythya valisineria}]


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  • Canvasback - Cargo Liners, Seat Covers, and More
    For over 20 years, Canvasback has been a leader of interior vehicle protection Your vehicle is expensive and worth protecting, keep it clean and looking great!
  • Canvasback Identification, All About Birds, Cornell Lab of . . .
    <p>Often called the aristocrat of ducks, the Canvasback holds its long sloping forehead high with a distinguished look Males stand out with a rusty head and neck and a gleaming whitish body bookended in black Females are pale brown overall, but that Canvasback head shape still gives them away
  • Canvasback - Wikipedia
    The canvasback (Aythya valisineria) is a species of diving duck, the largest found in North America
  • Canvasback | Audubon Field Guide
    The Canvasback dives for its food, mainly the bases and roots of plants growing underwater Its specific name of valisineria refers to the technical name of wild celery, an aquatic plant that is among its favored foods
  • Canvasback - eBird
    Attractive duck with distinctive triangular head; forehead slopes seamlessly into the long bill Males are white-bodied with black chest, reddish-brown head, and red eye Females are dull grayish-brown with unique head profile and dark brown eye Breeds in lakes and marshes Winters in any large body of water with submerged aquatic vegetation on which to feed Dives frequently, searching for
  • Canvasback - ID, Facts, Diet, Habit More | Birdzilla
    Canvasback eggs are olive-gray, measure 2 4-2 6 inches long and 1 6-1 8 inches wide She incubates the eggs alone for 23-28 days and leads the chicks to water within several hours after hatching Young have to forage for food by themselves, but the female watches over them for several weeks
  • Canvasback - Aythya valisineria - Birds of the World
    The Canvasback nests over water, in a large structure constructed of loosely woven reeds and sedges and lined with down This species is an ecological specialist whose restricted nesting and specific trophic requirements link it inextricably to deeper, more stable ponds, marshes, and potholes
  • Canvasback Overview, All About Birds, Cornell Lab of Ornithology
    In the continental United States, spring, fall, and winter are the best times to go looking for a Canvasback They gather in large groups on open water, where their white bodies gleam and the sloping forehead helps them stand out from other waterbirds
  • Canvasback (Aythya valisineria) | U. S. Fish Wildlife Service
    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 head and neck
  • All Canvasback Interior Vehicle Protection Products
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