DE SWARDT, D. H.; BOSHOFF, W. Golden-tailed Woodpeckers along the Orange River in the southern Free State. Biodiversity Observations, [S. l.], p. 29–30, 2015. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/268. Acesso em: 30 may. 2024.