[1]
J. Sorjonen, “Long-term constancy of two rain-call dialects of the Chaffinch Fringilla coelebs in Finnish and Russian Karelia. A consequence of site fidelity?”, Ornis Fenn, vol. 78, no. 2, pp. 73–82, Jul. 2001, Accessed: Apr. 05, 2026. [Online]. Available: https://ornisfennica.journal.fi/article/view/133549