Changes in predator surveillance in a foraging Great Tit Parus major in response to presence and group size of Yellowhammers Emberiza citrinella
Viittaaminen
Pöysä, H. (1985). Changes in predator surveillance in a foraging Great Tit Parus major in response to presence and group size of Yellowhammers Emberiza citrinella. Ornis Fennica, 62(3), 138–140. Noudettu osoitteesta https://ornisfennica.journal.fi/article/view/133188