Blue-throated Roller

Here the details of the Blue-throated Roller named bird below:

SCI Name:  Eurystomus gularis
Protonym:  Eurystomus gularis Nouv.Dict.Hist.Nat. 29 p.426
Taxonomy:  Coraciiformes / Coraciidae / Eurystomus
Taxonomy Code:  bltrol1
Type Locality:  'Australasie,'' error = Senegal.
Author:  Vieillot
Publish Year:  1819
IUCN Status:  Least Concern

DEFINITIONS

EURYSTOMUS
(Coraciidae; Ϯ Oriental Dollarbird E. orientalis) Gr. ευρυστομος eurustomos  wide-mouthed  < ευρυς eurus  wide; στομα stoma, στοματος stomatos  mouth; "101. ROLLE, Eurystomus.  Coracias, Linn. Gm. Lath.  Bec glabre et très-déprimé à la base, épais, convexe en dessus, courbé à la pointe. — Bouche très-ample. — Narines linéaires obliques.   Esp. Rolle des Indes, Buff.   ...   Eurystomus [ευρυστομος, latum os habens]." (Vieillot 1816); "Eurystomus Vieillot, Analyse, 1816, p. 37. Type, by monotypy, Rolle des Indes, Buffon = Coracias orientalis Linné." (Peters, 1945, V, p. 244).
Var. Euristomus, Eurytomus.     
Synon. Colaris, Cornopio, Hirundolanius.
• (Coraciidae; syn. Eurystomus † Broad-billed Roller E. glaucurus) "88. COLARIS, Cuv. — 211. orientalis, L.   ...   89. EURYSTOMUS, Vieill. — 214. madagascariensis, Gm. (violaceus, Vieill.) — 215. gularis, Vieill. — 216. purpurascens. Vieill. — 217. afer, Lath. (viridis, Wagl. jun.)" (Bonaparte, 1854); "Eurystomus "Vieill." Bonaparte, 1854, Conspectus Volucrum Anisodactylorum, p. 7 (not of Vieillot, 1816).  Type, by subsequent designation (G. Gray, Cat. Genera Subgenera Birds Brit. Mus., p. 135 (Appendix)), Coracias madagascariensis Gmelin, 1788 = Coracias glaucurus Statius Müller, 1776." (JAJ 2021).

gulare / gularis
Mod. L. gularis  of the throat, -throated, gular  < L. gula  throat.
● ex “Coucou Vulgaire d’Afrique” of Levaillant 1806, pl. 200 (Cuculus).
● ex “Gobe-mouche à gorge blanche” of Quoy & Gaimard 1830 (syn. Eopsaltria griseogularis).
● ex “Petit Rolle Violet à Gorge Bleue” of Levaillant 1806 (Eurystomus).
● ex “Cardinal d’Amérique” of Brisson 1760 (Paroaria).
● ex “Colombi-Caille” of Levaillant 1810, pl. 283, and Columba hottentotta Temminck, 1813 (artefact).

SUBSPECIES

Blue-throated Roller (gularis)
SCI Name: Eurystomus gularis gularis
gulare / gularis
Mod. L. gularis  of the throat, -throated, gular  < L. gula  throat.
● ex “Coucou Vulgaire d’Afrique” of Levaillant 1806, pl. 200 (Cuculus).
● ex “Gobe-mouche à gorge blanche” of Quoy & Gaimard 1830 (syn. Eopsaltria griseogularis).
● ex “Petit Rolle Violet à Gorge Bleue” of Levaillant 1806 (Eurystomus).
● ex “Cardinal d’Amérique” of Brisson 1760 (Paroaria).
● ex “Colombi-Caille” of Levaillant 1810, pl. 283, and Columba hottentotta Temminck, 1813 (artefact).

Blue-throated Roller (neglectus)
SCI Name: Eurystomus gularis neglectus
neglecta / neglectum / neglectus
L. neglectus  ignored, overlooked, neglected, disregarded  < neglegere  to neglect.