Read, C., W. R. Tarboton, G. B. Davies, M. D. Anderson, and T. A. Anderson. “An Annotated Checklist of Birds of the Vilanculos Coastal Wildlife Sanctuary, Southern Mozambique”. Biodiversity Observations, Sept. 2014, pp. 370-08, https://journals.uct.ac.za/index.php/BO/article/view/254.