Chocolate-vented Tyrant

Here the details of the Chocolate-vented Tyrant named bird below:

SCI Name:  Neoxolmis rufiventris
Protonym:  T[yrannus] rufiventris Tabl.Encyc.Meth.Orn. 2 livr.93 p.856
Taxonomy:  Passeriformes / Tyrannidae / Neoxolmis
Taxonomy Code:  chvtyr2
Type Locality:  Rio Santa Lucia, 20 leagues from Montevideo, Uruguay.
Author:  Vieillot
Publish Year:  1823
IUCN Status:  Least Concern

DEFINITIONS

NEOXOLMIS
(Tyrannidae; Ϯ Chocolate-vented Tyrant N. rufiventris) Gr. νεος neos  new; genus Xolmis Boie, 1826, monjita; "NEOXOLMIS genus nov.^b  ...  ^b Neoxolmis genus. nov.  Somewhat like Myiotheretes, but tarsus much longer (about twice as long as middle toe without claw); claw of hallux decidedly longer than its digit; wing relatively longer and much more pointed; outermost primary much longer, equalling or exceeding second; rictal bristles hardly apparent.  Type Tyrannus rufiventris VIEILLOT." (Hellmayr 1927).
Synon. Ixoreus.

rufiventer / rufiventra / rufiventre / rufiventris
Mod. L. rufiventris  red-bellied  < L. rufus  ruddy, rufous; venter, ventris  belly.
● ex “Pepoazá vientre roxizo” of de Azara 1802-1805, no. 205, and “Pepoaza à ventre rougeâtre” of Vieillot 1819 (Neoxolmis).
● ex “Grignet” of Levaillant 1803, pl. 126 (syn. Parisoma subcaeruleum).
● ex “Traquet à Cul Roux” of Levaillant 1806, pl. 188, fig. 2 (syn. Saxicoloides fulicatus).
● ex “Gobe-mouche de l’île de Bourbon” of d’Aubenton 1765-1781, pl. 572, fig. 3, and “Rufous-vented Fly-catcher” of Latham 1783 (syn. Setophaga ruticilla).
● ex “Velvet-headed Flycatcher” of Latham 1823 (Terpsiphone).