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basic plumage

noun, Ornithology
the plumage assumed by an adult bird at its complete, usually annual, molt.
(in birds having more than one plumage in their cycle of molts) the plumage of the first molt, usually the duller plumage. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for basic plumage
  • In basic plumage it has much more contrast between the dark nape and white throat than the other species.
  • In winter, loons acquire a gray-above, white-below basic plumage.
  • Subadult loons may remain in basic plumage all year.
  • We get to see shorebirds in fading adult plumage as they molt into their basic plumage on their way through.

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