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.
The bird on the left is a female.
Collected By: Brent M Morgan
Locality: Near Mount Vernon Flats, VA
Catalog ID: 313688
The bird on the right is a male.
Collected By: Dr WL Ralph
Locality: Oneida Co, NY
Catalog ID: 200986