NILSSON, Jan-Eric. Reduction of number of eggs in a common clutch of two co-breeding females of Pied Flycatcher Ficedula hypoleuca. Ornis Svecica, Lund, Sweden, v. 15, n. 1, p. 44–46, 2005. DOI: 10.34080/os.v15.22750. Disponível em: https://journals.lub.lu.se/os/article/view/22750. Acesso em: 4 may. 2024.