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Zonotrichia albicollis
Medium-sized sparrow with rust-brown striped upperparts, conspicuous white throat, and plain gray underparts. Head has black-and-white striped crown and yellow spots between eyes and bill. Short flights, alternates rapid wing beats with wings pulled to sides
Wildlife habitat yard on Lake Lewisville.
Individuals almost always mate with a bird of the opposite morph. Males of both color types prefer females with white stripes,and both kinds of females prefer tan-striped males. It comes in two color forms: white-crowned and tan-crowned. The two color forms are determined by genetic differences, and are unique among birds.
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