Velvety Black-Tyrant

Here the details of the Velvety Black-Tyrant named bird below:

SCI Name:  Knipolegus nigerrimus
Protonym:  Muscicapa nigerrima Nouv.Dict.Hist.Nat. 21 p.453
Taxonomy:  Passeriformes / Tyrannidae / Knipolegus
Taxonomy Code:  vebtyr1
Type Locality:  Brazil; cotypes in Paris Museum from Rio de Janeiro, fide Hellmayr, 1927, Field Mus. Nat. Hist., Zool. Ser., 13, pt. 5, p. 68.
Author:  Vieillot
Publish Year:  1818
IUCN Status:  Least Concern

DEFINITIONS

KNIPOLEGUS
(Tyrannidae; Ϯ Blue-billed Black Tyrant K. cyanirostris) Gr. κνιψ knips, κνιπος knipos  insect; λεγω legō  to pick; "X. Fam. Muscicapiadae Vigors.  Muscicapa Lin. ²   ...   ² Ferner könnten als Gattungen abgesondert werden: Knipolegus für Musc. lophotes Tem. und cyaneirostris Vieill. Az. 181" (Boie 1826); "Knipolegus Boie, 1826, Isis von Oken, col. 973. Type, by monotypy, Muscicapa cyanirostris Vieillot." (Traylor in Peters 1979, VIII, 173) (see Xolmis). 
Var. Cnipolegus.   
Synon. Ada, Blechropus, Entotriccus, Eumyiobius, Phaeotriccus, Sericoptila.

nigerrima / nigerrimus
L. nigerrimus very black < super. niger black.
● ex “Coucal Nègre” of Levaillant 1807, pl. 222 (?syn. Centropus menbeki, ?syn. Centropus bernsteini).
● ex “Crabier noir de la Nouvelle Guinée” of d’Aubenton 1765-1781, pl. 926 (syn. Egretta sacra).
● ex “Merula madagascariensis aurea” of Brisson 1760, “Merle doré de Madagascar” of d’Aubenton 1765-1781, pl. 539, fig. 1, and de Buffon 1770-1783, and “Black-cheeked Thrush” of Latham 1783 (syn. Philepitta castanea).
● ex “Tangara noir d’Amérique” (= ♂) of d’Aubenton 1765-1781, pl. 179, fig. 2, “Tangara noir” of de Buffon 1770-1783, and “Gujana Tanager” of Latham 1783 (syn. Tachyphonus rufus).