Grašyte G, Rumbutis S, Dagys M, Vaitkuviene D, Treinys R. Tawny Owl females of intermediate colour morph reproduce better and increase in a local polymorphic population. Ornis Fenn [Internet]. 31 mars 2017 [citerad 21 november 2024];94(1):33–44. Tillgänglig vid: https://ornisfennica.journal.fi/article/view/133910