BROWN, C.; BRIDGEFORD, P.; BRAINE, S.; PAXTON, M.; VERSFELD, W. Breeding data on the birds of Namibia: laying months, colony and clutch sizes and egg measurements. Biodiversity Observations, [S. l.], p. 92–196, 2015. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/284. Acesso em: 3 jul. 2022.