Lopes LE, Gonzaga LP.

Melanopareia bitorquata (d’Orbigny & Lafresnaye, 1837) is a distinct species: an appraisal of morphological variation in the Collared Crescentchest Melanopareia torquata (zu Wied-Neuwied, 1831) (Aves: Melanopareiidae)

. Zootaxa [Internet]. 2016 Nov. 15 [cited 2025 Apr. 5];4193(1):138–150. Available from: https://mapress.com/zt/article/view/zootaxa.4193.1.6