Martínez-Abraín, Alejandro, Jacob González-Solis, Vittorio Pedrocchi, Meritxell Genovart, Joan Carles Abella, Xavier Ruiz, Juan Jiménez, and Daniel Oro. “Kleptoparasitism, Disturbance and Predation of Yellow-Legged Gulls on Audouin’s Gulls in Three Colonies of the Western Mediterranean”. Scientia Marina 67, no. S2 (July 30, 2003): 89–94. Accessed April 25, 2024. https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/550.