Lopes, Leonardo Esteves. “Morphological Variation of the Long-Tailed Reed Finch Donacospiza albifrons (Vieillot, 1817) (Aves: Thraupidae)”. Zootaxa 4329, no. 3 (October 4, 2017): 201–218. Accessed April 5, 2025. https://mapress.com/zt/article/view/zootaxa.4329.3.1.