juvenal plumage

[joo-vuh-nl]

noun Ornithology.

the first plumage of birds, composed of contour feathers, which in certain species follows the naked nestling stage and in other species follows the molt of natal down.

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Origin of juvenal plumage

< Latin juvenālis youthful, equivalent to juven(is) young man or woman + -ālis -al¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018