Black-backed Water-Tyrant

Here the details of the Black-backed Water-Tyrant named bird below:

SCI Name:  Fluvicola albiventer
Protonym:  Muscicapa albiventer Av.Sp.Nov.Brasil. 2 p.21 pl.30 fig.1
Taxonomy:  Passeriformes / Tyrannidae / Fluvicola
Taxonomy Code:  bbwtyr1
Type Locality:  Brazil; restricted to northern Bahia by Pinto, 1944, Cat. Aves Brasil (Publ. Dept. Zool., Sao Paulo), pt. 2, p. 121.
Author:  von Spix
Publish Year:  1825
IUCN Status:  Least Concern

DEFINITIONS

FLUVICOLA
(Tyrannidae; Ϯ Masked Water Tyrant F. nengeta) L. fluvius, fluvii  river  < fluere  to flow; -cola  -dweller  < colere  to inhabit; "FLUVICOLA.  Alæ elongatæ, remigibus 2^da et 3^tia æqualibus, longissimis.  Cauda mediocris, subrotundata.  Pedes graciles, tarsorum squamis anterioribus divisis, lateralibus obsoletis.  ... I cannot with any certainty, quote a typical example of this new form, of which I possess two distinct species from Brazil." (Swainson 1827); "Courier Waterchat  ...  Frequent marshy situations in the New World  ...  Their haunts are only in the vicinity of water: they pursue their prey upon the ground, running with great celerity, and are constantly in motion  ...  The present species we met with in abundance at Pernambuco, frequenting the sides of the rivers and lagoons" (Swainson 1831); "Fluvicola Swainson, 1827, Zool. Journ., 3, p. 172. Type, by subsequent designation (Swainson, 1831, Zool. Illus., ser. 2, 2, pl. [46]), Fluvicola cursoria Swainson = Oenanthe climazura Vieillot [= Lanius Nengeta Linnaeus 1766]." (Traylor in Peters, 1979, VIII, p. 179).
Synon. Entomophagus, Myiophila.

fluvicola
L. fluvius, fluvii  river  < fluere  to flow; -cola  -dweller  < colere  to inhabit.
● ex “Nebuleux” of Levaillant 1805, pl. 149 (Muscipeta artefact).

albiventer / albiventre / albiventris
L. albus  white; venter, ventris  belly.
● ex “Drongri à Ventre Blanc” of Levaillant 1805, pl. 171 (syn. Dicrurus leucophaeus).
● ex “Martin-pêcheur de l’Île de Luçon” of Sonnerat 1776 (Halcyon).
● ex “Hirondelle à ventre blanc de Cayenne” of d’Aubenton 1765-1781, pl. 546, fig. 2 (Tachycineta).