School of Life Sciences | Ask A Biologist

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Bird Details

Duck Like Duck Like

Ring-necked Duck

Aythya collaris

Ring-necked Duck
copyright Oliver Niehuis
Length: 17 in. (43 cm)
Almost always seen in pairs or small flocks on marshy lakes, golf ponds, reservoirs and occasionally coastal estuaries, this species dives for aquatic vegetation and invertebrates. The nest is placed near the water on a dry area and is made of grass and moss. The four-digit banding code is RNDU.
ringnecked_duck_niehuis.jpg

Male
copyright Oliver Niehuis

Open water
Open water

Marsh / swamp
Marsh / swamp

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Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.