canvasback

n.

（产于北美洲的）帆布潜鸭（因其背羽呈帆布色而得名）；帆背潜鸭；

Canvasback
Canvasback
The canvasback on a prairie marsh
Survival and Movements of Canvasback Ducklings
Survival of Radiomarked Canvasback Ducklings in Northwestern Minnesota
STABLE-ISOTOPE ANALYSIS OF CANVASBACK WINTER DIET IN UPPER CHESAPEAKE BAY
Distributional Responses of Canvasback Ducks to Weather and Habitat Change
Seasonal Influence on the Strategies of Growth and Development of Canvasback and Lesser Scaup Ducklings
Effects of intra- and interspecific brood parasitism on a precocial host, the canvasback, Aythya valisineria
Serum levels of luteinizing hormone (LH), prolactin, estradiol, and progesterone in laying and nonlaying canvasback ducks ( Aythya v...