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Contact: Kayla Graham
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PLOS

Bird Tail Comparison

Caption: This is a contrast of the typical elongate pygostyle of a diving bird (A), the Adélie Penguin (Pygoscelis adeliae, specimen AMNH 623439) to the typical short, dorsally deflected pygostyle of a non-diving bird (B), the Northern Fulmar (Fulmarus glacialis, specimen AMNH 20697).

Credit: Ryan Felice

Usage Restrictions: CC-BY

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