River Tyrannulet

Here the details of the River Tyrannulet named bird below:

SCI Name:  Serpophaga hypoleuca
Protonym:  Serpophaga hypoleuca Proc.Zool.Soc.London Pt2 p.188
Taxonomy:  Passeriformes / Tyrannidae / Serpophaga
Taxonomy Code:  rivtyr1
Type Locality:  lower Rio Ucayali; restricted to near Sarayacu, Peru (J. T. Z.).
Author:  Sclater & Salvin
Publish Year:  1866
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.

hypoleuca
Gr. ὑπο hupo beneath; λευκος leukos white (cf. ὑπολευκος hupoleukos whitish).
● ex “Pico triqueño” of de Azara 1802-1805, no. 123 (syn. Sporophila leucoptera).
● Gr. ὑπερλευκος huperleukos exceedingly white; “The name hypoleucus was evidently a lapsus for hyperleucus” (Gadow 1883) (Gymnorhina).

SUBSPECIES

River Tyrannulet (hypoleuca)
SCI Name: Serpophaga hypoleuca hypoleuca
hypoleuca
Gr. ὑπο hupo beneath; λευκος leukos white (cf. ὑπολευκος hupoleukos whitish).
● ex “Pico triqueño” of de Azara 1802-1805, no. 123 (syn. Sporophila leucoptera).
● Gr. ὑπερλευκος huperleukos exceedingly white; “The name hypoleucus was evidently a lapsus for hyperleucus” (Gadow 1883) (Gymnorhina).

River Tyrannulet (venezuelana)
SCI Name: Serpophaga hypoleuca venezuelana
venezuelae / venezuelana / venezuelanus / venezuelense / venezuelensis
Venezuela (Italian Venezuola, a diminutive of Venezia Venice, alluding to native houses on stilts in the waters of Lake Maracaibo).

River Tyrannulet (pallida)
SCI Name: Serpophaga hypoleuca pallida
pallida
L. pallidus  pallid, pale, wan, sallow  < pallere  to be pale.