RETIEF, E. F.; SMIT-ROBINSON, H. A.; DE SWARDT, D. H. Egyptian Geese nesting in Secretarybird nests. Biodiversity Observations, [S. l.], p. 215–216, 2015. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/289. Acesso em: 20 apr. 2024.