Sooty Tyrannulet

Here the details of the Sooty Tyrannulet named bird below:

SCI Name:  Serpophaga nigricans
Protonym:  Sylvia nigricans Nouv.Dict.Hist.Nat. 11 p.204
Taxonomy:  Passeriformes / Tyrannidae / Serpophaga
Taxonomy Code:  sootyr1
Type Locality:  Paraguay and Rio de la Plata; restricted to Paraguay (J. T. Z.).
Author:  Vieillot
Publish Year:  1817
IUCN Status:  Least Concern

DEFINITIONS

SERPOPHAGA
(Tyrannidae; Ϯ White-crested Tyrannulet S. subcristata straminea) Gr. σερφος serphos  gnat; -φαγος -phagos  -eating  < φαγειν phagein  to eat; "GENUS.—SERPOPHAGA.  Gould.   Rostrum capite multo brevius, rectum, subdeprerssum; tomiis rectis; mandibula superiore subemarginata; naribus basalibus, lateralibus, pilis mollibus antice versis partim tectis.  Alæ breves, concavæ, remige quarta longissima.  Cauda longiuscula subrotundata.  Tarsi mediocres sqwuamis duris annulati; digitis parvis, postico mediano breviore, lateralibus æqualibus, exteriore cum mediano usque ad articulum priorem connatum.   1. SERPOPHAGA PARULUS. Gould.   ...  2. SERPOPHAGA ALBO-CORONATA. Gould.  ...  This bird, like the last species, generally moves in very small flocks. Its habits, I presume are also very similar; for I state in my notes that it closely approaches to our tit-mice in general manners and appearance.   3. SERPOPHAGA NIGRICANS. Gould." (Gould in Darwin 1839); "SERPOPHAGA Gould, 1839  F— Serpophaga albocoronata Gould, 1839; type by subsequent designation (G. R. Gray, 1855, Cat. of the Genera and Subgenera of Birds, p. 50). = Muscicapa straminea Temminck, 1822." (Dickinson & Christidis (eds.) 2014, 45).
Var. Serphophaga.
Synon. Holmbergphaga, Muscicapara, Phrenotriccus, Ridgwayornis, Taczanowskia.

nigricans
L. nigricans, nigricantis  blackish, swarthy  < nigrare  to be black  < niger  black.
● ex “Suirirí chorrendo” of de Azara 1802-1805, no. 182 (syn. Hymenops perspicillata).
● ex “Ypacahá obscuro” of de Azara 1802-1805, no. 371 (Pardirallus).
● ex “Brunoir” of Levaillant 1802, pl. 106, fig. 1 (Pycnonotus).
● ex “Tachurí obscurito menor” of de Azara 1802-1805, no. 167 (Ridgwayornis).