Traits (2021). Anas capensis Gmelin, 1789. Accessed at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=212711 on 2024-05-03
Marine Species Traits editorial board (2024). Marine Species Traits. Anas capensis Gmelin, 1789. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=212711 on 2024-05-03