González-Acuña, Daniel, Lucila Moreno, Armando Cicchino, Sergey Mironov, and Mike Kinsella. “Checklist of the Parasites of the Black-Necked Swan, Cygnus melanocoryphus (Aves: Anatidae), With New Records from Chile”. Zootaxa 2637, no. 1 (October 6, 2010): 55–68. Accessed April 3, 2025. https://mapress.com/zt/article/view/zootaxa.2637.1.3.