Gray-backed Thrush

Here the details of the Gray-backed Thrush named bird below:

SCI Name:  Turdus hortulorum
Protonym:  Turdus hortulorum Ibis p.196
Taxonomy:  Passeriformes / Turdidae / Turdus
Taxonomy Code:  gybthr1
Type Locality:  Camoens Garden, Macao.
Author:  Sclater, PL
Publish Year:  1863
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).

hortulorum
L. hortulorum of little gardens < hortulus little garden < dim. hortus garden.