Lopes, L. E.; Gonzaga, L. P.

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 2016, 4193, 138–150.