Migratory Birds of the Great Lakes University of Wisconsin Sea Grant Institute
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aerialist raptors
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Marsh Wren Field ID

Size: 4-6"

Wing span: 5"-7"

Weight: 0.3-0.5 ounces

Color: The Marsh Wren has a black crown, white eyeline and bold black-and-white streaks on its back. Its flanks and chest are off-white, and its eyes, feet, legs and bill are brownish. Males are larger than females, though body size varies geographically. Juvenile and adult plumage are similar, but juveniles lack the bold back streaks