Pietrasz, Krzysztof, Dawid Sikora, Tomasz Chodkiewicz, Magdalena Ślęzak, and Bartłomiej Woźniak. “Keystone Role of Eurasian Beaver Castor Fiber in Creating the Suitable Habitat over the Core Breeding Range for Forest Specialist Species the Three-Toed Woodpecker Picoides Tridactylus”. Baltic Forestry 25, no. 2 (December 31, 2019): 223–227. Accessed June 22, 2024. https://balticforestryojs.lammc.lt/ojs/index.php/BF/article/view/381.