White-spectacled Bulbul

Here the details of the White-spectacled Bulbul named bird below:

SCI Name:  Pycnonotus xanthopygos
Protonym:  Ixus xanthopygos Symb.Phys.Aves(1828) (1828), sig.bb
Taxonomy:  Passeriformes / Pycnonotidae / Pycnonotus
Taxonomy Code:  whsbul1
Type Locality:  Arabia = Muwailah on coast near north end of Red Sea, Bates, 1935, Bull. Brit. Orn. CI., 55, p. 119.
Author:  Hemprich & Ehrenberg
Publish Year:  1833
IUCN Status:  Least Concern

DEFINITIONS

PYCNONOTUS
(Pycnonotidae; Ϯ Cape Bulbul P. capensis) Gr. πυκνος puknos  thick, compact; -νωτος -nōtos  -backed  < νωτον nōton  back; alluding to the thickly feathered back of the Cape Bulbul and many other bulbuls; "IX. Fam. Myiotheridae.   ...   Pycnonotus Kuhl: Turdus capensis Lin. Vaill. Afr. pl. 105 u. s. w." (Boie 1826); "Pycnonotus "Kuhl" Boie, 1826, Isis von Oken, 19, p. 973. Type, by monotypy, Turdus capensis Linnaeus." (Deignan in Peters 1960, IX, 223).  
Var. Pychnonotus, Picnonotus, Picncnotus.   
Synon. Alcurus, Bonapartia, Bostrycholophus, Brachypus, Centrolophus, Crocopsis, Elathea, Gymnocrotaphus, Haematornis, Hemitarsus, Ixodia, Kelaartia, Loidorusa, Malayornis, Meropixus, Mesolophus, Molpastes, Nok, Oreoctistes, Otocompsa, Pachycephalixus, Phacelias, Rubigula, Sphagias, Squamatornis, Stictognathus, Trachycomus, Xanthixus.

xanthopygos / xanthopygus
Gr. ξανθος xanthos  yellow; -πυγος -pugos  -rumped  < πυγη pugē  rump.
● ex “Merle à cul jaune du Sénégal” of d’Aubenton 1765-1781, pl. 317 (Pycnonotus).
● ex “Brunoir” of Levaillant 1802, pl. 106, fig. 1 (syn. Pycnonotus nigricans).