White-winged Nightjar

Here the details of the White-winged Nightjar named bird below:

SCI Name:  Eleothreptus candicans
Protonym:  Stenopsis candicans Proc.Zool.Soc.London(1866) (1866), Pt3 p.588
Taxonomy:  Caprimulgiformes / Caprimulgidae / Eleothreptus
Taxonomy Code:  whwnig1
Type Locality:  Irisanga, Sao Paulo.
Author:  von Pelzeln
Publish Year:  1867
IUCN Status:  Vulnerable

DEFINITIONS

ELEOTHREPTUS
(Caprimulgidae; Ϯ Sickle-winged Nightjar E. anomalus) Gr. ἑλεοθρεπτος heleothreptos  marsh-bred  < ἑλος helos, ἑλεος heleos  marsh; τρεφω trephō  to nourish; "Eleothreptus  ...  Obs. Nomen: ελεον, misere, vel mensa culinari, et θρεπτος, nutritus. Si a vocab. ἑλος (palus) derivaretur, ἑλειοθρ . . v. ἑλωθρ . . et latine Heleiothr. vel Helothr. scriberetur" (Sundevall 1872);  "ELEOTHREPTUS, n.  Amblypterus^a, Gould.  E. anomalus, (Gould,) n.  Gould, Icon. Av. II. pl.    ^aSimilar to a word used in Entomology." (G. Gray 1840); "Eleothreptus G. R. Gray, List Gen. Bds., 1840, p. 7. New name for Amblypterus Gould, 1838. Type, by original designation and monotypy, E. anomalus (Gould) = Amblypterus anomalus Gould.¹   ...   ¹ Gray believed Gould's generic name to be "similar to a word used in entomology" referring no dount to Amblyptera Solier, 1836. There is however a genus of fossil fishes, Amblypterus Agassiz, 1833 of which Gould's name is a homonym." (Peters, 1940, IV, p. 220).    
Var. Eleothreptes, Heleothreptus.   
Synon. Amblypterus.

candicans
L. candicans, candicantis  whitish  < candicare  to be white  < candere   to shine.
● ex “Ibiyau alas y cola blancas” of de Azara 1802-1805, no. 314 (Eleothreptus).
● ex “Gyrfalco” of Aldrovandus 1603, “Gerfaut” of Brisson 1760, and “Gerfaut blanc des Pays du Nord” of de Buffon 1770-1783 (syn. Falco rusticolus).