Cnemarchus erythropygius (P.L.Sclater, 1853)

Synonyms: Myiotheretes erythropygius; Myiotheretes erythropygius erythropygius
Homonyms: Cnemarchus erythropygius (P.L.Sclater, 1853)
Common names: Alinaranja Lomirrojo in Spanish; Birro Culirrojo in Spanish; Moucherolle à croupion roux in French; Red-rumped Bush Tyrant in English; Red-rumped Bush Tyrant in English; Red-rumped Bush Tyrant in English; Red-rumped Bush Tyrant in English; Red-rumped Bush Tyrant in English; Red-rumped Bush Tyrant in English; Red-rumped Bush-Tyrant in English; Red-rumped Bush-Tyrant in English; Roodstuitstruiktiran in Dutch; Rostbürzel-Buschtyrann in German; Rostbürzeltyrann in German; Rødgumpet Busktyran in Danish; Rødstjerttyrann in Norwegian; Tiranno di macchia gropparossa in Italian; andotyran in Polish; pamuchár maľovaný in Slovak; ruosteperätyranni in Finnish; rusvasturplis krūmyninis tironas in Lithuanian; rödgumpad busktyrann in Swedish; tirà de carpó rogenc in Catalan–Valencian; tyranovec červenokostřecový in Czech; Красногузый кустарниковый тиранн in Russian; コシアカヤブタイランチョウ in Japanese; 紅腰叢霸鶲 in Chinese; 红腰丛霸鹟 in Chinese; Red-rumped Bush-tyrant in English; rødstjerttyrann in Norwegian Bokmål; Red-rumped Bush Tyrant in English; Red-rumped Bush-Tyrant in English

Echeverry-Galvis, M.A., O. Acevedo-Charry, J. E. Avendaño, C. Gómez, F.G. Stiles, F.A. Estela & A.M. Cuervo. 2022. Lista oficial de las aves de Colombia 2022: Adiciones, cambios taxonómicos y actualizaciones de estado. Ornitología Colombiana 22: 25-51 https://doi.org/10.59517/oc.e548
Gill, Frank, and Minturn Wright, 2006: null. Birds of the World: Recommended English Names. ix + 259.
ITIS.gov 2023 from the Integrated Taxonomic Information System (ITIS) on-line database https://www.itis.gov
Luck et al. 2012; Stiles.F. G. & L. Rosselli. 1998; Remsen & Robinson 1990; Hilty & Brown 1986,2001; Sherry 1990; Naranjo et al. 2012; Hilty & Brown 1986, 2001; Newbold et al. 2012; Belmaker & Jetz 2013; Dunning, J.B. 2007; http://www.hbw.com.