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Mariana Swiftlet: This small swift has dull, dark brown-gray plumage and a white-gray throat and upper breast. It has a short black bill and short black legs and feet. It has long pointed wings and a short, slightly forked tail. It catches its prey while in-flight or gleans insects from foliage. Its flight is fast with rapid wing beats alternated with short glides. The sexes are similar.
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