SVENSSON, S.; HELLQVIST, S. Eleven eggs in Starling Sturnus vulgaris nest box—three females laying in the same box?. Ornis Svecica, Lund, Sweden, v. 6, n. 4, p. 178–180, 1996. DOI: 10.34080/os.v6.22983. Disponível em: https://journals.lub.lu.se/os/article/view/22983. Acesso em: 26 nov. 2022.