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

On this date the juvenal plumage was only partly developed and the young bird was incapable of flight.

From Natural History of the Bell Vireo, Vireo bellii Audubon by Barlow, Jon C.

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

From Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima by Woolfenden, Glen E.

The juvenal plumage in one specimen indicates that the species breeds at Quoin Hill.

From Birds from North Borneo University of Kansas Publications, Museum of Natural History, Volume 17, No. 8, pp. 377-433, October 27, 1966 by Thompson, Max C.

July 28, 1962, MCT 2675; sex?, young in juvenal plumage, MCT 2812; ♂, April 28, 1963, ADG 76.

From Birds from North Borneo University of Kansas Publications, Museum of Natural History, Volume 17, No. 8, pp. 377-433, October 27, 1966 by Thompson, Max C.

Perhaps half the birds seen were in juvenal plumage.

From Vertebrates from the Barrier Island of Tamaulipas, M?xico by Johnston, Richard F.