Sumatran Drongo

Here the details of the Sumatran Drongo named bird below:

SCI Name:  Dicrurus sumatranus
Protonym:  Dicrurus sumatranus Proc.Zool.Soc.London Pt1 p.15
Taxonomy:  Passeriformes / Dicruridae / Dicrurus
Taxonomy Code:  sumdro1
Type Locality:  Ayer-Angat, Paio, and Mt. Sago, Sumatra.
Author:  Wardlaw Ramsay
Publish Year:  1880
IUCN Status:  Near Threatened

DEFINITIONS

DICRURUS
(Dicruridae; † Balicassiao D. balicassius) Gr. δικρος dikros  forked; ουρα oura  tail; "125. DRONGO, Dicrurus.  Lanius, Corvus, Linn. Gm. Lath.  Bec couvert de soies à la base, robuste; mandibule supérieure un peu carénée en dessus, échancrée et crochue vers le bout; l'inférieure aiguë et retroussée à la pointe. — Queue fourchue. — Rectrices 10.   Esp. Balicasse. — Fingah. — Drongo, Buff.  ...  Dicrurus [δικρους, furcatus, ουρα, cauda]." (Vieillot 1816); "Dicrurus Vieillot, 1816 (April 14), Analyse, p. 41.  Type, by subsequent designation, ["Balicasse" of de Buffon =] Corvus balicassius Linnaeus (G. R. Gray, 1841, List Gen. Birds, ed. 2, p. 47)." (Vaurie in Peters, 1962, XV, p. 138).   
Var. Dicruratus (probably an involuntary lapsus or portmanteau of specific combination Dicrurus longicaudatus Hay, 1868), Dicrourus, Dicturus (OD per Martin Schneider).   
Synon. Balicassius, Bhringa, Bhuchanga, Bonaparteis, Chaptia, Chibia, Cometes, Criniger,  Dicrachibia, Dicranostreptus, Dicruropsis, Dissemuroides, Dissemuropsis, Dissemurulus, Dissemurus, Drongo, Drongus, Drymonax, Edolius, Edoliuta, Entomoletes, Melisseus, Musicus, Notochibia, Prepopterus, Trichometopus.
• (Dicruridae; syn. Dicrurus † Black Drongo D. macrocercus) "Dicrurus (Auct)  Bhuchanga." (Hodgson 1841); "Dicrurus Hodgson, 1841, Journal Asiatic Soc. Bengal, X (1), (no. 109), p. 29.  Classical replacement name for Bhuchanga Hodgson, a local substantive name considered inappropriate by some." (JAJ 2020) (see Alcopus).

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).

SUBSPECIES

Sumatran Drongo (Sumatran)
SCI Name: Dicrurus sumatranus sumatranus
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).

Sumatran Drongo (Mentawai)
SCI Name: Dicrurus sumatranus viridinitens
viridinitens
Mod. L. viridinitens  shining-green, metallic-green  < L. viridis  green  < virere  to be green; nitens, nitentis  shining  < nitere  to glitter.