An imprecise term referring to juvenile and/or 1st-winter plumage, without discerning the two [1].
References[]
- ^ Mullarney, Killian; Lars Svensson, Dan Zetterström and Peter J. Grant (1999). Birds of Europe. Princeton University Press. ISBN 0691050538. Cite uses deprecated parameter
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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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