Traits (2021). Ciconia nigra (Linnaeus, 1758). Accessed at: http://marinespecies.org/traits/aphia.php?p=taxdetails&id=1488275 on 2024-05-01
Marine Species Traits editorial board (2024). Marine Species Traits. Ciconia nigra (Linnaeus, 1758). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1488275 on 2024-05-01