Rufous-vented Niltava

Here the details of the Rufous-vented Niltava named bird below:

SCI Name:  Niltava sumatrana
Protonym:  Niltava sumatrana Ann.Mus.Civ.Stor.Nat.Genova 14 p.201
Taxonomy:  Passeriformes / Muscicapidae / Niltava
Taxonomy Code:  ruvnil1
Type Locality:  M[onte]. Singalan (= Singgalang), Sumatra.
Author:  Salvadori
Publish Year:  1879
IUCN Status:  Least Concern

DEFINITIONS

NILTAVA
(Muscicapidae; Ϯ Rufous-bellied Niltava N. sundara) Nepalese name Niltau for the Rufous-bellied Niltava; "Genus Niltava nobis.  Niltau of Nepal.   ...   Habits, forest-haunting, arboreal and terrestrial, but chiefly the former, exploring foliage.  Food, various sorts of soft and hard, perfect and imperfect, insects.  Bugs, fire-flies, tiny coleoptera, caterpillars, ants, pulpy berries, and hard seeds, the latter chiefly in winter.  Solitary.  Never seize on wing.  Habitat central region of the hills.   1st species and type. Niltava Sundara nobis." (Hodgson 1837) (OD per Björn Bergenholtz).
Var. Miltava.
Synon. Bainopus, Chaitaris, Microbainopus.

sumatrae / sumatrana / sumatranum / sumatranus / sumatrensis
Sumatra, Dutch East Indies / Indonesia  < Sanskrit Samudra  sea (a name subsequently mangled by European travellers).
● ex “Malacca Partridge” of Latham 1823 (syn. Caloperdix oculeus).
● Perhaps the “Polo Condor Gull” of Latham 1801 (Sterna).
● Erroneous TL. Sumatra (= Celebes / Sulawesi) (Tanygnathus).