KILPI, M. Solitary pairs of Great Black-backed Gulls Larus marinus prevent strangers from mobbing a predator model at their nest site. Ornis Fennica, [S. l.], v. 66, n. 2, p. 77–79, 1989. Disponível em: https://ornisfennica.journal.fi/article/view/133280. Acesso em: 26 nov. 2024.