...Now that the risk is known, I do not think there will be any more prowling in my coverts... 
Rafael Sabatini 「Scaramouche」
...This species in summeris entirely black except the wing coverts whichare white...
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」
...The Cinnamon Teal is another small Duck,marked by the uniform rich chestnut plumage andlight blue wing coverts...
Chester A. Reed 「The Bird Book」
...These are dull and yellowish birds, shading to brownishon the head; with a bright yellow forehead and susperciliaryline, black wings and tail, and white inner secondariesand greater coverts...
Chester A. Reed 「The Bird Book」
...This Longspur which breeds in company withthe preceding, throughout its range, can be distinguishedfrom it by thesmall black patch on thebreast, the black crown, andchestnut wing coverts...
Chester A. Reed 「The Bird Book」
...This variety is like the last but the reddish brown on the back does not extendto the coverts or wings...
Chester A. Reed 「The Bird Book」
...Crown and ear coverts black, underpartsand line over eye yellow;no white in the plumage...
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」
...Cap black; throat, breast, and neck, allaround, white tinged with straw; back, lower belly,upper and under tail coverts brownish slate...
Frank M. Chapman 「Color Key to North American Birds」
...Sooty slate; linings of wingswhite; scapulars, upper tail coverts, and tail featherstipped with white...
Frank M. Chapman 「Color Key to North American Birds」
...Above grayish brown; below, including underwing coverts and under tail coverts, white...
Frank M. Chapman 「Color Key to North American Birds」
...Above dusky black; below white; sidesof breast grayish; under tail coverts dusky brown; bill black...
Frank M. Chapman 「Color Key to North American Birds」
...Above sooty brown; back of neck and uppertail coverts white; base of tail white...
Frank M. Chapman 「Color Key to North American Birds」
...Tail forked; abovesooty brownish black; below browner; lesser wing covertsgrayish brown; longer upper tail coverts not tippedwith black...
Frank M. Chapman 「Color Key to North American Birds」
...Under wing coverts and axillars pure white...
Frank M. Chapman 「Color Key to North American Birds」
...Base of tail and longer uppertail-coverts white, shorter coverts and all back blackishbrown; white in wings conspicuous in flight...
Frank M. Chapman 「Color Key to North American Birds」
...Aboveolive grayish brown; below yellowish, bellywhiter; tail olive-yellow; wings blackish, median covertstipped, greater coverts externally margined withwhite; chin sometimes blackish...
Frank M. Chapman 「Color Key to North American Birds」
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