School of Life Sciences | Ask A Biologist

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Why is Rudolp's nose red?

Bird Details

Duck Like Duck Like

Gadwall

Anas strepera

Gadwall
copyright Robert Shantz
Length: 20 in. (51 cm)
Although mainly feeding near the surface of ponds and lakes, it also dives regularly to find aquatic invertebrates and vegetation. During the winter it is usually in pairs or small flocks and often associates with American Wigeon. The nest is hidden in dense grass of marshes and made of surrounding vegetation. This species occurs commonly throughout the Northern Hemisphere in Europe and Asia as well as in Africa. The four-digit banding code is GADW.

Open water
Open water

Marsh / swamp
Marsh / swamp

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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.