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Henslow's Sparrow: Small sparrow, black-streaked brown upperparts. Breast, sides, and flanks are dark-streaked pale buff; throat and belly are white. Head is olive-brown with dark lines. Weak fluttering flight with tail jerking, alternates rapid wing beats with wings pulled to sides.
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Harris's Sparrow: Large sparrow with dark-streaked, brown upperparts and white underparts with dark-streaked sides. Head has stark black crown, face, and throat. Gray cheek patch is marked by a thin, black line. Bill is pink. Alternates rapid wing beats with brief periods of wings pulled to sides.
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