HERNÁNDEZ-MATÍAS, A.; RUIZ, X. Predation on common tern eggs by the yellow-legged gull at the Ebro Delta. Scientia Marina, [S. l.], v. 67, n. S2, p. 95–101, 2003. DOI: 10.3989/scimar.2003.67s295. Disponível em: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/551. Acesso em: 3 dec. 2022.