Choice of prey by a pair of Gyrfalcons Falco rusticolus during the nesting period in Forest-Lapland
Referera så här
Pulliainen, E. (1975). Choice of prey by a pair of Gyrfalcons Falco rusticolus during the nesting period in Forest-Lapland. Ornis Fennica, 52(1), 19–22. Hämtad från https://ornisfennica.journal.fi/article/view/132876