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Genus Alca
Razor-billed auk - Adult birds are black on their upperparts and white on the breast and belly. The thick black bill has a blunt end. The tail is pointed and longer than that of a Murre. In winter, the throat and upper chest turn white.
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Razor-billed auk - Adult birds are black on their upperparts and white on the breast and belly. The thick black bill has a blunt end. The tail is pointed and longer than that of a Murre. In winter, the throat and upper chest turn white.