...This beautiful specieshas a bright red head,neck and breast, glossyblue black back, wingsand tail, and white underparts,rump and secondaries... 
Chester A. Reed 「The Bird Book」
...White feathers inthe primaries or secondaries must be avoided...
Harry M. Lamon 「Ducks and Geese」
...Above sooty black, foreneck browner;tips of secondaries, line from bill to eye, and underparts, white...
Frank M. Chapman 「Color Key to North American Birds」
...Head and neck bare; white, primaries, secondaries andtail blackish...
Frank M. Chapman 「Color Key to North American Birds」
...Head, ends of secondaries, and underpartsbluish gray; back bluish slate; tail black without bars...
Frank M. Chapman 「Color Key to North American Birds」
...Yellow, cap, wings and tailblack; wing-coverts, secondaries and inner margins oftail-feathers tipped with white...
Frank M. Chapman 「Color Key to North American Birds」
...Gray; wings and middle tail-feathersblack, tips of secondaries and outer tail-feathers white...
Frank M. Chapman 「Color Key to North American Birds」
...The spots on the inner secondaries, in the first plumage, appear to be much largerin the case of A...
James Chapin 「Descriptions of Three New Birds from the Belgian Congo」
..., molting—5th and 6th primaries and 1st secondaries ensheathed (August 15), 4 km...
Erwin E. Klaas 「Summer Birds From the Yucatan Peninsula」
...Abdominal groove: the concave lobe of the inner marginof secondaries enveloping the abdomen beneath, in somebutterflies...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Anal angle: on the secondaries is that angle nearestthe end of the abdomen when the wings are expanded: the anglebetween the inner and outer margin of any wing; = hind angle ofprimaries...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Common: of frequent occurrence: occurring on twoadjacent parts: a band or fascia is common when it crosses bothprimaries and secondaries...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Progonia: the anterior angle of the secondaries...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Submarginal area: of secondaries, lies between thecostal margin and the 1st strong vein...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Tail: an elongated terminal segment of the abdomen: thecauda in plant lice: elongated processes on the secondaries, insome Lepidoptera and Neuroptera...
John. B. Smith 「Explanation of Terms Used in Entomology」
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