Mlíkovský, Jiří, and Vladimir M. Loskot. “Neotypification of Larus cachinnans Pallas, 1811 (Aves: Laridae)”. Zootaxa 3637, no. 4 (April 12, 2013): 478–483. Accessed April 5, 2025. https://mapress.com/zt/article/view/zootaxa.3637.4.7.