Helmeted Hornbill

Here the details of the Helmeted Hornbill named bird below:

SCI Name:  Buceros vigil
Protonym:  Buceros vigil IndischeZool. p.40
Taxonomy:  Bucerotiformes / Bucerotidae / Buceros
Taxonomy Code:  helhor1
Type Locality:  Sumatra.
Author:  Forster, JR
Publish Year:  1781
IUCN Status:  Critically Endangered

DEFINITIONS

BUCEROS
(Bucerotidae; Ϯ Rhinoceros Hornbill B. rhinoceros) L. bucerus  horned like an ox  < Gr. βουκερως boukerōs  horned like an ox  < βους bous  ox; κερας keras, κερως kerōs  horn; "46. BUCEROS.  Rostrum convexum, cultratum, magnum; Frontis calvaria nuda, osseo-gibbosa.  Nares in basi rostri.  Lingua acuta, brevis.  ...  Cum Willugbæus aliique rostrum extrorsum serratum sistant, videtur Ramphasti potius generis avis esse. Fœda fœtidaque cadaveribus victitans venatores comitatur." (Linnaeus 1758); "Buceros Linné, Syst. Nat., ed. 10, 1, 1758, p. 104. Type, by subsequent designation, Buceros rhinoceros Linné.  Elliot, Monogr. Bucerot., pt. 10, 1882, p. xvi [= intro., p. xvi of volume]." (Peters, 1945, V, p. 270). This is the seventh diagnosed genus in avian taxonomy. Linnaeus's Buceros comprised two species (B. bicornis, B. Rhinoceros).
Synon. Calao, Dichoceros, Diramphus, Homraius, Hydrocorax, Meniceros, Platyceros, Platycorax, Tragopan.

vigil
L. vigil, vigilis  watchful.
● ex “Buceros scutata” of Edwards 1751 (Rhinoplax).