The small feathers that lie over the bases of the tail feathers [1].
References[]
- ^ Bellrose, Frank C. and The Audubon Society (1983). The Audubon Society Master Guide to Birding. National Geographic Society. ISBN 1426200722.
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This article is part of Project Glossary, an All Birds project that aims to write comprehensive articles on each term related to animals.
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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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