Species authority page

Ring-necked duck

Aythya collaris · Ducks · Waterfowl · Migratory game birds

Ring-necked duck (Aythya collaris): Male: black head and back, white bar separating gray sides from black chest. Distinct pale rings on the bill; the brown neck ring is very hard to see. This profile does not establish whether taking it is legal anywhere.

Certified rules currently represented in Hunt: coverage in development. This is coverage, not a legal answer.

Ring-necked duck — verified North Ground species photograph
North Ground · All rights reserved
Scientific name
Aythya collaris
Family
Anatidae
Range
Breeds from southeastern Alaska and central British Columbia east through northern Saskatchewan to Newfoundland, south to northeastern California, Colorado, Iowa and New England; winters from the southwestern and southeastern U.S. south to Central America. It has become much more widespread as a breeder in eastern Canada and northern New England since the 1930s.
Biology

How to identify it

Male: black head and back, white bar separating gray sides from black chest. [1][2]

Distinct pale rings on the bill; the brown neck ring is very hard to see. [1][2]

Female mostly gray-brown with a pale area near the bill base and a peaked head. [1][2]

Compared with the scaup (female): The female ring-necked duck shows less face contrast than female scaup and a more noticeable bill ring. [1][2]

Compared with the redhead (female): The female ring-necked duck is grayer with a more peaked head and more noticeable bill ring. [1][2]

Field knowledge

Where it lives

Freshwater marshes, ponds and bogs in forest openings in summer; ponds, lakes and slow rivers in winter, generally not salt bays. [1][2]

Field knowledge

How it behaves

Springs directly off the water without the running take-off of most diving ducks [1][2]

Dives in water a few feet deep; also feeds at the surface and in flooded fields [1][2]

Mixes with other divers on large lakes and with dabblers on shallow water [1][2]

Migrates in flocks late in fall and early in spring [1][2]

Regulatory handoff

Where it is listed for legal take

These authorities list this species for legal take in their own regulations.

Where legal take is listed

Being listed is not an open season. Seasons, zones, licences, methods and limits decide whether this animal may be taken on a given day and place — check Hunt or the authority before you go. Listings read 2026-09-30.

Geospatial intelligence

Where it is found

Breeds from southeastern Alaska and central British Columbia east through northern Saskatchewan to Newfoundland, south to northeastern California, Colorado, Iowa and New England; winters from the southwestern and southeastern U.S. south to Central America. It has become much more widespread as a breeder in eastern Canada and northern New England since the 1930s.

Biology

Sources

Every claim above is attributed to one of these published sources.

  1. National Audubon Society · reviewed 2026-09-30

    National Audubon Society

  2. NatureServe · reviewed 2026-09-30

    NatureServe