BILDSTRÖM, Leif. Aggression by Black-throated Diver Gavia arctica on diving ducks at their breeding lakes around river Skellefteälven, southern Lapland. Ornis Svecica, Lund, Sweden, v. 16, n. 4, p. 232–235, 2006. DOI: 10.34080/os.v16.22706. Disponível em: https://journals.lub.lu.se/os/article/view/22706. Acesso em: 5 may. 2024.