UNDERHILL, L. G.; BROOKS, M. Preliminary summary of changes in bird distributions between the First and Second Southern African Bird Atlas Projects (SABAP1 and SABAP2). Biodiversity Observations, [S. l.], p. 258–293, 2014. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/235. Acesso em: 3 feb. 2023.