tail-coverts

The rest of the bath is orange-brown, the tail-coverts and tail dark bronzy, the wings light orange-buff: The whole under surface is covered with an abundance of plumage springing from the margins of the breast, and of a rich deep green colour, with changeable hues of purple.

The Malay Archipelago 2004

It is almost entirely of a slatey colour, with yellow bill and feet, but the feathers of the rump and upper tail-coverts each terminate in a rigid, glossy pencil or tuft of a vivid crimson.

The Malay Archipelago 2004

The existence of these red under tail-coverts in such diverse species can, I think, be explained only on the hypothesis that there is an inherent tendency to variation in this direction in many species.

Birds of the Indian Hills Douglas Dewar 1916

The dancers were entirely unclad, but were painted in all kinds of curious designs, and the male performers wear on the top of the head a fine broad plume of the tail-coverts of the white egret.

The World's Greatest Books — Volume 19 — Travel and Adventure Various 1909

His upper parts are bluish gray, save the outer tail feathers, which are black; his cheeks and throat are white, his breast and belly buff, and his flanks and lower tail-coverts chestnut red.

Our Bird Comrades 1896

While the flanks and under tail-coverts of _magna_ are distinctly washed with buff, those of _neglecta_ are white, very faintly tinged with buff, if at all.

Birds of the Rockies 1896

But, oddly enough, her sides and under tail-coverts were stained with a rufous tint -- a color that does not appear at all in the costume of the male.

Birds of the Rockies 1896

The white-breasted nuthatch may be known by his flat body and broad shoulders, his bluish gray coat, black cap and mantle (all in one piece), white cravat, shirt bosom and vest, with a few rufous decorations on the belly and under tail-coverts.

Our Bird Comrades 1896

The head and neck and upper part of the back were emerald green, with the metallic glitter usually seen in the burnished scale-like feathers of these small birds; the lower half of the back was velvet-black; the tail and tail-coverts white as snow.

The Naturalist in La Plata 1881

Under parts white, but mottled with dusky on the breast, where it also tinged with buff, and barred very distinctly on each side further back; under tail-coverts barred with buff and black.

Citizen Bird Scenes from Bird-Life in Plain English for Beginners Elliott Coues 1870