Eastern Slaty Thrush

Here the details of the Eastern Slaty Thrush named bird below:

SCI Name:  Turdus subalaris
Protonym:  Merula subalaris Proc.Zool.Soc.London Pt3 no.37 p.557
Taxonomy:  Passeriformes / Turdidae / Turdus
Taxonomy Code:  slathr3
Type Locality:  Jutuba, presumably in the valley of the Rio Grande, Province of Sao Paulo, Brazil [= Jatuba, western Goias, vide Hellmayr, 1934, Field Mus. Nat. Hist. Publ., Zool. Ser., 13, pt. 7, p. 411].
Author:  Seebohm
Publish Year:  1887
IUCN Status:  Least Concern

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).

subalaris
L. subalaris  under the arms  < sub  underneath; ala  armpit, wing (cf. Late L. subalaris  under the wings, under-wing).
● “allied to B[radornis]. pallidus Müll., but is smaller, darker, and above all distinguished by its dark fawn-coloured under wing-coverts” (Sharpe 1874) (subsp. Agricola pallidus).