Bachmann, Silvina, and Juan P. Isacch. “Ostrero Austral (Haematopus Leucopodus) En Mar De Cobo, Provincia De Buenos Aires”. Nuestras Aves, no. 40 (December 1, 1999). Accessed May 15, 2025. https://nuestrasaves.avesargentinas.org.ar/home/article/view/932.