School of Life Sciences | Ask A Biologist

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Why is Rudolp's nose red?

Bird Details

Upright Perching Water Birds Upright Perching Water Birds

Double-crested Cormorant

Phalacrocorax auritus

Double-crested Cormorant
copyright Jim Burns
Length: 32 in. (81 cm)
A common species on inland lakes, rivers and ponds, it is also found in coastal habitats. It is regularly seen roosting near the water on trees, snags, beaches and rocky cliffs with its wings hanging open to dry in the sun. The cormorant has adaptations to the eyes to see underwater, and it uses its fully webbed feet to propel itself at great speeds in pursuit of the fish on which it relies heavily. This species nests in large colonies in trees or on the ground. The platform nest is made of twigs, sticks and aquatic vegetation. The four-digit banding code is DCCO.

Open water
Open water

Marsh / swamp
Marsh / swamp

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Male
Rattling (sound type)
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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.