^Gill, F. and Wright, M. (2006) Birds of the World: Recommended English Names, Princeton University Press. ISBN978-0691128276
^Dodman, Tim. Estimating the size and status of waterbird populations in Africa. Ostrich. 2007, 78 (2): 475-480. doi:10.2989/OSTRICH.2007.78.2.57.137(英语).