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Ring-necked Duck (Aythya collaris)

Ring-necked Duck (Aythya collaris)

Ring-necked Duck (Aythya collaris) - Female

Ring-necked Duck (Aythya collaris) - Female Ring-necked Duck (Aythya collaris) Female Ring-necked Duck (Aythya collaris) Female Ring-necked Duck (Aythya collaris) male

Class: Aves
Family: Anatidae
Common Name: Ring-necked Duck
Genus: Aythya
Species Name: collaris

About The Ring-necked Duck

A small black-and-white diving duck, the male Ring-necked Duck may most readily be distinguished from the closely-related scaups by its size (15-18 inches), black back, and the unique white bill stripe dividing the bill’s gray base from its black tip. In flight, it may also be identified by its gray (not white, as is the case with the scaups) wing stripes. Female Ring-necked Ducks are similar to female scaups, but are slightly lighter brown and have more pronounced eye rings. The Ring-necked Duck breeds in a broad swath across southern Canada and the northern tier of the United States from the Maritime Provinces to the Yukon. Most Ring-necked Ducks migrate south for the winter, when they may be found across the southern two-thirds of the United States, Mexico, and the West Indies. In the past century, this species had expanded its breeding range westward into Alaska and eastward into the Great Lakes region. During the summer, the Ring-necked Duck breeds on shallow, freshwater marshes. In winter, this species is more flexible in its habitat preferences, but prefers shallow bodies of freshwater such as ponds, lakes, and reservoirs. The diet of the Ring-necked Duck consists of aquatic vegetation (such as seeds and tubers) as well as small invertebrates (such as insects and larvae). One of several species of “diving ducks” in North America, Ring-necked Ducks may be observed submerging themselves to feed on aquatic plant matter or insects. In winter, they may also be observed in small flocks on shallow ponds and lakes. This species is primarily active during the day.

Rights Holder: Unknown
Bibliographic Citation: Rumelt, Reid B. Aythya collaris. June-July 2012. Brief natural history summary of Aythya collaris. Smithsonian's National Museum of Natural History, Washington, D.C.

Trips Where Observed

Alaska 2010
Dominican Republic
San Francisco 2007

Member Lifelists

North America
San Francisco
United States

Sites Where Observed



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