What is a canvasback duck?

and Canvasback Duck, the scientific name aythya valisineria , is a large duck with distinctive brands that include the back of light. It is originally from North America, living mainly on ponds, wetlands and lakes and seasonal migrates. It is also known as a diving duck that feeds on diving underwater for food. In the summer it behaves in the northern regions of the continent. It often weighs between 1.9 and 3.5 pounds (0.9 to 1.6 kg) and has an elegant rounded body shape. It has a relatively large head with a long, smooth sloping face and account when viewed from the side. The colors of women are more muted, with brown eyes, medium brown head and neck plus light grayish brown back and body. My man contrasts with red eyes, clearly reddish brown head and neck, black chest, white body including back and black back end. Both sex ducks canvasback have black accounts and dark blue gray legs and legs.

duck canvasback withIt only dies in North America, behaves in northern areas and migrate south in winter. It behaves most often in the area known as the prairies of the Pothole Region, which stretches from the southern areas of Canada to part of Montana, Dakotas, Minnesota and Iowa in the US by many shallow wetlands, or "potholes", located in this area of ​​northern large levels. Ducks migrate south to spend winter in slightly warmer areas, including the Gulf Coast, the Delta Mississippi region, the Chesapeake and San Francisco Bay.

PREPARED STATIONS CANVASBACK include wetlands, wetlands, ponds and lakes during the warm moon. He spends the winter for bays, large lakes and mouths that are unlikely to be freeze. Kry is feeding mainly by diving under the water surface for food, which usually consists of aquatic plants, invertebrates, such as snails and insects and occasionally small fish. Ducks have a strong preference for wild celery, vallisneria Americana when it is available to reality refers to nThe type of valisineria .

ducks of male and female canvasbacks usually choose their friends at the end of winter before returning to summer breeding. The woman puts 5 to 11 eggs in the grass nest and the reeds lined with a feather. The nest is built into areas of strong vegetation in the swamp. The woman incubate eggs for about 24 days and takes care of the young duck when they hatch until they are able to leave the nest.