BERN, L. Common Terns Sterna hirundo incubating a Red-necked Grebe Podiceps grisegena egg. Ornis Svecica, Lund, Sweden, v. 30, p. 53–59, 2020. DOI: 10.34080/os.v30.21610. Disponível em: https://journals.lub.lu.se/os/article/view/21610. Acesso em: 2 oct. 2022.