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Sepia-brown Wren (Cinnycerthia olivascens) Immature
Rio Blanco Ecological Reserve, Manizales, Caldas, Colombia Immature Sepia-brown Wrens, unlike humans, have grey heads.
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Sepia-brown Wren (Cinnycerthia olivascens olivascens)
ProAves Tangaras Reserve, El Carmen de Atrato, Choco, Colombia Often called Sharp's Wren. Some birds have a white forehead.
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