Yellow-bellied Elaenia

Here the details of the Yellow-bellied Elaenia named bird below:

SCI Name:  Elaenia flavogaster
Protonym:  P[ipra] flavogaster Mem.Acad.Imp.Sci.St.Petersb. 8 p.283,286
Taxonomy:  Passeriformes / Tyrannidae / Elaenia
Taxonomy Code:  yebela1
Type Locality:  'presumably Rio [de] Janeiro [, Brazil] (from Westin, Swedish Consul at that station).
Author:  Thunberg
Publish Year:  1822
IUCN Status:  Least Concern

DEFINITIONS

ELAENIA
(Tyrannidae; Ϯ Yellow-bellied Elaenia E. flavogaster) Gr. ελαινεος elaineos  of olive-oil, oleaginous  < ελαια elaia  olive; "Elænia n. g. ⁶)  Musc. pagana Licht.; brevirostris, — modesta, — aurifrons Pr. Max; — Hylophilus cinerascens ejusd.  Numerosæ americanæ, transitum ad Tyrannides præbentes; Fringillis subsimiles.   ...    ⁶) Rostrum crassiusculum, breve, basi dilatatum, altitudine latius; carina dorsali subacuta, sutura recta.  Membrana narium plumulis tecta.  Vibrissæ tenues.  Alæ mediocres vel sub-breves, rotundatæ, remigib. 3-5 reliqvis longioribus.  Pedes mediocres, digitis brevibus, subliberis.  Olivaceæ-cinerascentes; sæpe subtus, interdum vertice flavæ. — Eλαινιος, oleagineus." (Sundevall 1836); "Elaenia Sundevall, 1836, Vetensk. Akad. Handl., 1835, p. 89. Type, by subsequent designation (Gray, 1855, Cat. Gen. Subgen. Birds, p. 49), Muscicapa pagana Lichtenstein = Pipra flavogaster Thunberg." (Traylor in Peters, 1979, VIII, pp. 26-27).  
Var. Elaenea, Elainea, Elainia, Eloenia, Elana, Elania.

flavogaster
L. flavus  yellow, golden-yellow; gaster, gasteris  belly  < Gr. γαστηρ gastēr, γαστρος gastros  belly.

SUBSPECIES

Yellow-bellied Elaenia (subpagana)
SCI Name: Elaenia flavogaster subpagana
subpagana
L. sub  near to; specific name Muscicapa pagana Lichtenstein, 1823 (= syn. Elaenia flavogaster) (subsp. Elaenia flavogaster).

Yellow-bellied Elaenia (pallididorsalis)
SCI Name: Elaenia flavogaster pallididorsalis
pallididorsalis
L. pallidus  pale  < pallere  to be pale; dorsalis (properly dorsualis)  of the back, -backed  < dorsum  back.

Yellow-bellied Elaenia (flavogaster)
SCI Name: Elaenia flavogaster flavogaster
flavogaster
L. flavus  yellow, golden-yellow; gaster, gasteris  belly  < Gr. γαστηρ gastēr, γαστρος gastros  belly.

Yellow-bellied Elaenia (semipagana)
SCI Name: Elaenia flavogaster semipagana
semipagana
L. semi-  semi-  < semis, semissis  half  < as, assis  whole; specific name Muscicapa pagana Lichtenstein, 1823 (= syn. Elaenia flavogaster) (subsp. Elaenia flavogaster).