Alvarenga, Herculano M.F., and Elizabeth Höfling. “ Systematic Revision of the Phorusrhacidae (Aves: Ralliformes) ”. Papéis Avulsos de Zoologia 43, no. 4 (January 1, 2003): 55–91. Accessed October 5, 2024. https://www.revistas.usp.br/paz/article/view/33623.