USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Waterfowl Identification in the Central Flyway

Ring-Necked Duck (Ringbill, Blackjack)

Male - Winter

GIF -- Picture of Male Ring-necked Duck-Winter

Body: Medium-sized duck, 1 1/2 - 2 pounds, 16-18 inches long. Black back, chest and rump with white crescent on side. Belly white. Head blackish purple with distinct crest. Faint chestnut ring around neck. Eyes yellow-orange. Bill gray with white band at base and toward tip. Feet grayish blue. Wings: Greenish-glossed coverts. Speculum pearl gray with faint white trailing edge. Voice: Purr. In Flight: Dark head, neck, back and rump contrast with white belly. Wingbeat fast. Flight formation open.

Male - Fall

GIF -- Picture of Male Ring-necked Duck-Fall

Ranging from mottled brownish black with dusky white belly to near-winter coloration. Faint white crescent on sides. Eyes, bill, feet and wings same as in winter.

Female - All Seasons

GIF -- Picture of Female Ring-necked Duck

Body: Blackish brown back. Brown head, neck and sides. Belly white. Whitish eye-ring and face-patch. Eyes brown. Bill, feet and wings similar to male. Voice: Occasional purr.

GIF -- Picture of Ring-necked Ducks in Flight

Previous Section -- Lesser Scaup
Return to Contents
Next Section -- Bufflehead

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 20:03:07 EST
Sioux Falls, SD [sdww55]