English

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Male mallard in 1) nuptial plumage, 2) a transitional stage and 3) eclipse plumage.

Noun

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nuptial plumage (plural nuptial plumages)

  1. a conspicuous plumage worn by a (usually male) bird during mating season, to attract mates
    Antonym: eclipse plumage

Translations

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  NODES
Note 1