Common Merganser

Mergus merganser
Common Merganser specimens on display in the exhibit "Birds of D.C."

DC Information

Common transient and winter visitor, from late October through early May. Usually seen in brackish marshes and freshwater ponds, rarely in salt water. Sexes are different.

Specimen Information

The bird on the left is a female.
Date: 1/1/1930
Collected By: Brent M Morgan
Locality: Near Mount Vernon Flats, VA
Sex: Female
Catalog ID: 313688
 
The bird on the right is a male.
Date: 4/10/1892
Collected By: Dr WL Ralph
Locality: Oneida Co, NY
Sex: Male
Catalog ID: 200986