Rolstad, J. and Rolstad, E. (1995) “Seasonal patterns in home range and habitat use of the Grey-headed Woodpecker Picus canus as influenced by the availability of food”, Ornis Fennica, 72(1), pp. 1–13. Available at: https://ornisfennica.journal.fi/article/view/133408 (Accessed: 19September2024).