PAKKALA, T.; KOUKI, J.; PIHA, M.; TIAINEN, J. Phloem sap in fire-damaged Scots pine provides instant foraging opportunities for Three-toed Woodpeckers Picoides tridactylus. Ornis Svecica, Lund, Sweden, v. 27, n. 2–4, p. 144–149, 2017. DOI: 10.34080/os.v27.19568. Disponível em: https://journals.lub.lu.se/os/article/view/19568. Acesso em: 28 sep. 2022.