DORNAS, Túlio; GEORGIADIS, George. Record of Celeus obrieni (Aves: Piciformes: Picidae) in the Cantão State Park: implications for species conservation and boundary consolidation of the first integral protection conservation unit in Tocantins, Brazil. Boletim do Museu Paraense Emílio Goeldi - Ciências Naturais, Belém, Pará, Brasil, v. 14, n. 1, p. 103–110, 2018. DOI: 10.46357/bcnaturais.v14i1.144. Disponível em: https://boletimcn.museu-goeldi.br/bcnaturais/article/view/144. Acesso em: 27 oct. 2025.