BERGMAN, G. Single-breeding versus colonial breeding in the Caspian Tern Hydroprogne caspia, the Common Tern Sterna hirundo and the Arctic Tern Sterna paradisaea. Ornis Fennica, [S. l.], v. 57, n. 4, p. 141–152, 1980. Disponível em: https://ornisfennica.journal.fi/article/view/133049. Acesso em: 17 may. 2024.