American robin Smithsonian's National Zoo and Conservation

One of most common bird species in North America, American robins can be heard singing their cheerful melody in diverse habitats, from deep forest interiors, to rural pastures, to city parks and backyard gardens. They are thought of as the "bringers of spring," due to the species' reputation for flying south for the winter and traveling northward during the springtime. 

American Robin — Badgerland Bird Alliance

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The Suburban Bird Smithsonian's National Zoo and Conservation

American Robin

American Robin Audubon Field Guide

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As the Robin Flies · National Parks Conservation Association

American Robin, NatureRules1 Wiki

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American robin

American Robin Audubon Field Guide

Mysterious illness killing birds may be in N.C.

Bird Profile: American Robin