Do Tengmalm’s Owls alter parental feeding effort under varying conditions of main prey availability?


We studied the diet composition and behavioural responses to variable food conditions in Tengmalm’s Owls (Aegolius funereus). The abundance of main prey (voles and mice) of owls was higher in the Ore Mountains, Czech Republic, than in the Kauhava region, Finland. We monitored nests continuously by a camera system to estimate the feeding frequency and to… (More)
DOI: 10.1007/s10336-008-0342-6


2 Figures and Tables