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Ashy storm-petrels are the smaller of the two common storm-petrels in Monterey Bay, California, where this bird was photographed. The other is the black storm-petrel). Black storm-petrels are larger and have a 'nighthawk-like' flight, while that of the ashy storm-petrel is more bat-like. Both species breed on islands off of California and Mexico. A close relative is the Wilson's storm-petrel, an abundant breeder in Antarctica. |
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