Canvasback Duck Courting by LeeAnn McLaneGoetz McLaneGoetzStudioLLC.com The Canvasback Ducks, The Canvasback is a large diving duck, the Canvasback breeds in prairie potholes and winters on ocean bays. Its sloping profile distinguishes it from other ducks. The Canvas back is considered the "aristocrat of ducks". This lucky female duck was saw on the Saint Clair River Between Algonac and Marine City Michigan being courted by two male ducks. #ducks,#birds,#courting,#two males.