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A stripe that runs horizontally from the base of the bill through the eye; sually broader than the eyeline [1].

References[]

  1. ^ Bellrose, Frank C. and The Audubon Society (1983). The Audubon Society Master Guide to Birding. National Geographic Society. ISBN 1426200722. 
Anatomy of an amiotic egg This article is part of Project Glossary, an All Birds project that aims to write comprehensive articles on each term related to animals.


Little Pied Cormorant This article is part of Project Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to birds.
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