Female Common Mergansers can be seperated from the closely related Red-breasted Mergansers by the clean divide between the red of the head and the pale breast [September; Park Point, Duluth, Minnesota]
Common Merganser [April; Perch Lake Fond du Lac, Duluth, Minnesota]
![Female Common Mergansers can be seperated from the closely related Red-breasted Mergansers by the clean divide between the red of the head and the pale breast [September; Park Point, Duluth, Minnesota]](https://photos.smugmug.com/photos/i-kkqT2f6/0/L/i-kkqT2f6-L.jpg)
![Common Merganser [April; Perch Lake Fond du Lac, Duluth, Minnesota]](https://photos.smugmug.com/photos/i-DJfpLk3/0/L/i-DJfpLk3-L.jpg)