Ring-necked Duck

Aythya collaris
Ring-necked Duck specimens on display in the exhibit "Birds of D.C."

DC Information

A common migrant, October to December and February to May, and an occasional winter resident. Seen here more often in fresh water than the other bay ducks. Sexes are different.

Specimen Information

The duck on the left is a female.
Date:  10/1/1913
Collected By:  Edward J Brown
Locality:  Potomac Flats, DC
Sex:  Female
Catalog ID:  234253
 
The duck on the right is a male.
Date:  12/30/1926
Collected By:  Wm H Ball
Locality:  Patuxent River (Benedict, MD)
Sex:  Male
Catalog ID:  307841