Aythya valisineria is a species of diving duck commonly known as the canvasback. This duck is well-known for its distinctive red head and long, sloping profile. However, if you're looking for synonyms for Aythya valisineria, you might simply refer to this duck as a canvasback duck. Other synonyms could include red-headed duck or even just "diving duck." Regardless of what you call it, Aythya valisineria remains a popular species of waterfowl known for its striking appearance and impressive diving abilities. Whether you're an avid birdwatcher or simply appreciate the beauty of nature, the canvasback is certainly a bird worth admiring.