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Bird Details

Duck Like Duck Like

Ruddy Duck

Oxyura jamaicensis

Ruddy Duck
copyright Robert Shantz
Length: 15 in. (38 cm)
This species is one of the few ducks in North America, in which the males have a different winter and breeding plumage. Typically these diving ducks swim on the water's surface with their tails raised into the air. They feed underwater on insect larvae, other aquatic invertebrates, and aquatic vegetation. The nest is constructed of aquatic grass and reeds and placed at the base of tall reeds. Frequently females place their eggs in the nests of other duck, coot and rail species and become brood parasites. The four-digit banding code is RUDU.
ruddy_duck_nielhaus.jpg

Male
copyright Oliver Niehuis

Open water
Open water

Marsh / swamp
Marsh / swamp

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Male
Electronic (sound type)
Bird Call
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Male
Electronic (sound type)
Bird Call
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CR_RUDU_1_041604_S.jpg
Male
Electronic (sound type)
Bird Call

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CR_RUDU_2AB_041604_S.jpg
Male
Electronic (sound type)
Bird Call

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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.