Canvasbacks on prairie pothole. Native prairie in background.
Canvasbacks on prairie pothole. Native prairie in background.
Canvasbacks on prairie pothole. Native prairie in background.
Canvasbacks on prairie pothole. Native prairie in background.
Canvasbacks on prairie pothole. Native prairie in background.
Two canvasback pairs loafing on mud flat of a prairie pothole. Spring.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Flock of canvasbacks on prairie pothole in spring; drakes pursuing and courting hens.
Canvasbacks on prairie pothole.
Canvasbacks rafting on the water of a prairie lake. (Aythya valisineria)
Canvasbacks on prairie pothole. Native prairie in background.