The canvasback is a species of diving duck, the largest found in North America.
Aythya valisineria at Las Gallinas Wildlife Ponds
Drake canvasback stretching wings
Tubers of Sago Pondweed (Stuckenia pectinata), a favorite food of the canvasback
The redhead is a medium-sized diving duck. Its scientific name is derived from Greek aithuia, an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin americana, of Am
Canvasback
…The chicks are covered in down at hatching and able to leave the nest soon after. The canvasback sometimes lays its eggs in other canvasback nests and redheads often parasitize canvasback nests. The canvasback migrates through the Mississippi Flyway to wintering grounds in the mid-Atlantic United States and…
Redhead Aythya americana, Oakley Street, Cambridge, Maryland
A Readhead Hen Swimming with her Babies
Neck-stretching courtship ritual of the adult male redhead depicted in Audubon's Birds of America in 1843