juvenal plumage

American  

[joo-vuh-nl] / ˈdʒu və nl /

noun

Ornithology.

1. 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.

---

Etymology

Origin of juvenal plumage

< Latin juvenālis youthful, equivalent to juven ( is ) young man or woman + -ālis -al ¹

Example Sentences

Natal down is quickly replaced by the emerging juvenal plumage and may often appear as tufts at the end of the new feathers.

From New York Times

Perhaps half the birds seen were in juvenal plumage.

From Project Gutenberg

The juvenal plumage of the Seaside Sparrow resembles that of the Sharp-tailed Sparrow.

From Project Gutenberg

In the juvenal plumage flight feathers of the kites are brown, barred with white, much different in appearance from the dark, slaty plumage of adults.

From Project Gutenberg

In juvenal plumage both species are entirely buff below, the feathers more or less tipped with dusky.

From Project Gutenberg