Discosura langsdorffi (Temminck, 1821)

Synonyms: Popelairia langsdorffi (Temminck, 1821); Trochilus langsdorffi Temminck, 1821
Homonyms: Discosura langsdorffi (Temminck, 1821)
Common names: Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Black-bellied Thorntail in English; Brustband-Fadenelfe in German; Colicerda Ventrinegra in Spanish; Coquette de Langsdorff in French; Rabudito ventrinegro in Spanish; Ringtrådstjert in Norwegian; Sortbuget Tornhale in Danish; Spinuro pancianera in Italian; Zwartbuikdraadkolibrie in Dutch; colibrí cuallarg de ventre negre in Catalan–Valencian; juodapilvis dygliauodegis kolibris in Lithuanian; kolcosterek czarnobrzuchy in Polish; kolibřík nížinný in Czech; mustahapsukolibri in Finnish; prilbiarik čiernobruchý in Slovak; rabo-de-espinho in Portuguese; rabo-de-espinho in Portuguese; svartbukig nålstjärt in Swedish; Чернобрюхий колючехвостый колибри in Russian; クロハラトゲオハチドリ in Japanese; 黑腹刺尾蜂鳥 in Chinese; 黑腹刺尾蜂鸟 in Chinese; Black-bellied Thorntail in English; ringtrådstjert in Norwegian Bokmål

Dickinson, Edward C., ed., 2003: null. The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition. 1039.
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
ITIS.gov 2023 from the Integrated Taxonomic Information System (ITIS) on-line database https://www.itis.gov