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American rough-winged swallow (Stelgidopteryx); Galley martin (Stelgidopteryx); Galley martinet (Stelgidopteryx) | |||
northern rough-winged swallow (Stelgidopteryx); rough-winged swallow (Stelgidopteryx); Galley martin (Stelgidopteryx ruficollis); American rough-winged swallow (Stelgidopteryx ruficollis) |