In contrast to larger species of dabbling ducks, which typically find mates on the wintering grounds, most canvasbacks pair during spring migration. Thus, life for canvasbacks in winter is mainly about acquiring and conserving energy as well as avoiding hunters and escaping predators such as bald eagles.

Do Canvasback ducks migrate?

Migration. Short- to medium-distance migrant. Migrates in small V-shaped flocks of 10–50 individuals. Canvasbacks occur year-round in some areas, but the individuals present in the summer versus the winter may differ.

What causes waterfowl to migrate?

Ducks either migrate south or change local movement patterns in response to declining open water and food availability. Snow buries food or at least makes it less available. And ice cover significantly reduces habitat available to ducks and often to duck hunters as well.