Elegant Tern

Here the details of the Elegant Tern named bird below:

SCI Name:  Thalasseus elegans
Protonym:  Sterna elegans Proc.Acad.Nat.Sci.Philadelphia 4(1848) p.129
Taxonomy:  Charadriiformes / Laridae / Thalasseus
Taxonomy Code:  eleter1
Type Locality:  Mazatlan, Sinaloa, Mexico.
Author:  Gambel
Publish Year:  1849
IUCN Status:  Near Threatened

DEFINITIONS

THALASSEUS
(Laridae; Ϯ Sandwich Tern T. sandvicensis) Gr. θαλασσευς thalasseus  fisherman  < θαλασσα thalassa, θαλασσης thalassēs  sea; "140. Gattung. Thalasseus. ³   358. caspia.  359. cantiaca.  360. anglica.   ...   ³ Unterscheidendes Merkmal der Gattung, der verhältnißmäßig größere und dickere Schnabel." (Boie 1822); "Genus Thalasseus Fr. Boie l. c.  ...  1. Th. cantiacus (Turopa [sic])  ...  2. Th. velox. (Africa)" (Wagler 1832); "Thalasseus Boie, Isis von Oken, 1822, Bd. 1, col. 563. Type, by subsequent designation, "Th. cantiacus" = Sterna cantiaca Gmelin = Sterna sandvicensis Latham (Wagler, Isis von Oken, 1832, col. 1225)." (Peters 1934, II, 341).
Synon. Actochelidon, Pelecanopus, Thalassema.
● (syn. Hydroprogne Ϯ Caspian Tern H. caspia) "THALASSEUS, Boie, 1822.  ...  (Sterna caspia, Pall.)" (G. Gray 1855).  Var. Thallaseus.

elegans
L. elegans, elegantis  elegant, fine  < elegere probably an early form of eligere   to select.
● ex “Pic jaune tacheté de Cayenne” of d’Aubenton 1765-1781, pl. 524 (Celeus).
● ex “Bucco maynanensis” of Brisson 1760, “Barbu des Maynas” of d’Aubenton 1765-1781, pl. 330, “Beau Tamatia” of de Buffon 1770-1786, and “Beautiful Barbet” of Latham 1782 (syn. Eubucco versicolor).
● ex “Perdix martineta” of de Azara 1802-1805 (Eudromia).
● ex “Tangara de Cayenne” of d’Aubenton 1765-1781, pl. 114, fig. 1 (syn. Euphonia chlorotica).
● ex “Beautiful Lory” of Latham 1781, ?and “Pennantian Parrot” of Latham 1787 (Platycercus).
● ex “Kink de la Chine” of d’Aubenton 1765-1781, pl. 617 (syn. Sturnia sinensis).