...Now that the risk is known, I do not think there will be any more prowling in my coverts... 
Rafael Sabatini 「Scaramouche」
...The tail is occasionallyjerked open and closed again,and now and then slightly raised,causing the long tail coverts to vibrategracefully...
Various 「Birds Illustrated by Color Photograph [January, 1897]」
...The bases of the greater coverts,however, are black, this generally breaking thewhite mirror as it is called...
Chester A. Reed 「The Bird Book」
...The males of thesebirds may be identified by the white speculumand the chestnut wing coverts...
Chester A. Reed 「The Bird Book」
...The male birds cannot be mistaken forany other species because of the white crown,wing coverts and underparts and the broad greenstripe, back of the eye...
Chester A. Reed 「The Bird Book」
...This species differs from the Red-wing in having theshoulders a much darker red and the median coverts whiteinstead of buffy...
Chester A. Reed 「The Bird Book」
...A sparrow-like Bunting with a yellow breastpatch, line over eye and on side of throat;throat black, chin white and wing coverts chestnut...
Chester A. Reed 「The Bird Book」
...This species is similar to the Parula but is moreextensively yellow below, and has black lores andear coverts...
Chester A. Reed 「The Bird Book」
...This species may be known from any other of the curve-billedThrashers by its grayish underparts and brightchestnut under tail coverts...
Chester A. Reed 「The Bird Book」
...If you get near enough you will notice that hiswing coverts, which are a bright chestnut brown, make the rest of hissparrow plumage look particularly pale and dull...
Neltje Blanchan 「Birds Every Child Should Know」
...Sooty slate; linings of wingswhite; scapulars, upper tail coverts, and tail featherstipped with white...
Frank M. Chapman 「Color Key to North American Birds」
...belly and tail coverts black:foreback and breast gray; greater wing-covertswhitish...
Frank M. Chapman 「Color Key to North American Birds」
...Entire upperparts, cheeks, tail,wings and breast-band black; bases of wing-feathers,tips to coverts and underparts, except breast-band,whitish...
Frank M. Chapman 「Color Key to North American Birds」
...The wing-bars in the true rock-pigeon and in the chequered variety are, in fact, due to similar though larger spots symmetrically crossing the secondary wing-feather and the larger coverts...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
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