Turdus Xanthorhynchus Bird

English Name:  Principe Thrush
Latin Name:  Turdus xanthorhynchus
Protonym:  Turdus xanthorhynchus Boll.Mus.Zool.Anat.Comp.Torino 15 (362) p. 2
Taxonomy:  Passeriformes / Turdidae / Turdus
Taxonomy Code:  prithr1
Type Locality:  Principe.
Author:  Salvadori
Publish Year:  1901
IUCN Status:  Critically Endangered

DEFINITIONS

TURDUS
(Turdidae; Ϯ Mistle Thrush T. viscivorus) L. turdus  thrush; "95. TURDUS.  Rostrum tereti-cultratum, maxilla superiore apice deflexo.  Nares nudæ, superne membranula semitectæ.  Lingua lacero-emarginata." (Linnaeus 1758); "Turdus Linnaeus, 1758, Syst. Nat., ed. 10, 1, p. 168. Type, by subsequent designation (Gray, 1840, List Gen. Birds, p. 27), Turdus viscivorus Linnaeus." (Ripley in Peters 1964, X, 177). Linnaeus's Turdus comprised sixteen species (T. viscivorus, T. pilaris, T. iliacus, T. musicus, T. Canorus, T. rufus, T. polyglottos, T. Orpheus, T. plumbeus, T. crinitus, T. roseus, T. Merula, T. torquatus, T. solitarius, T. arundinaceus, T. virens).   
Var. Turus, Trudus, Turtus, Curdus.     
Synon. Afrocichla, Arceuthornis, Cichlherminia, Cichloides, Cichloselys, Copsichus, Copsicus, Cossyphopsis, Galeoscoptes, Haplocichla, Hodoiporus, Iliacus, Ixocossyphus, Lamprophonus, Melizocincla, Meridiocichla, Merula, Merulissima, Mimocichla, Mimokitta, Nesocichla, Peliocichla, Petrocincla, Planesticus, Platycichla, Semimerula, Thoracocincla, Turdela, Turdicus.

turdus
L. turdus  thrush.
● ex “Grivetin” of Levaillant 1802, pl. 118 < French Grive thrush (syn. Erythropygia leucophrys).
● "89. Loxia Turdus F.  ...  Habitat in insula australi Novae Zeeelandiae, simillima Turdo, statura, colore, pedibus.  Corpus magnitudine Turdi viscivori, supra fuscum." (Forster 1844) (syn. Turnagra capensis).

xanthorhynchus
Gr. ξανθος xanthos  yellow; ῥυγχος rhunkhos  bill.

Xanthorhynchus
(syn. Tockus Ϯ Southern Yellow-billed Hornbill T. leucomelas) Gr. ξανθος xanthos  yellow; ῥυγχος rhunkhos  bill; "Xanthorhynchus gen. nov., type Buceros leucomelas Licht.: bill very long, conspicuously and evenly arching, normally not toothed, though sometimes slightly chipped; length of the culmen about two and a half times the height at the nostrils; casque forming a high ridge, evenly arching with the bill, from which it is marked off by a shallow groove extending to a point not far from the tip; wing and tail of about the same length; secondaries as long as the primaries." (A. Roberts 1922).