...They canreadily be identified, at a great distance, fromthe Pileated Woodpecker by the large amountof white on the secondaries...
Chester A. Reed 「The Bird Book」
...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」
...—Dull grey, beneath rather paler; wings chestnut; tips ofprimaries, inner portions of secondaries, and tail blackish; bill and feet black:total length 7·6 inches, wing 3·5, tail 3·0...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...erythropterus is squarerand contains only ten feathers instead of twelve: the wing is 4⁄10 ofan inch shorter; and the secondaries relative to the primaries are alsoshorter...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...Above and neck sooty brown; under parts andtips of secondaries white; sides with blackish streaks...
Frank M. Chapman 「Color Key to North American Birds」
...Rosy red, lighter on back; primariesand secondaries black...
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, rump, secondaries, outer tail-feathersand below white; rest of plumage largely black...
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」
..., 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」
...Jugum: in certain Lepidoptera and Trichoptera, a lobeor process at the base of primaries, overlapping secondaries andholding the two together in flight...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Praecostal spur: a false vein in costal angle at baseof secondaries...
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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