Unforeseen Effects of Supplementary Feeding: Ungulate Baiting Sites as Hotspots for Ground-Nest Predation
Each nest consisted of two Japanese quail (Coturnix coturnix) eggs and imitated the nests of hazel grouse (Tetrastes bonasia, A). Nests (N = 120) were checked 6 and 15 days after deployment. A nest was considered depredated if at least one egg was damaged or missing (B). Photos: Nuria Selva, Anne Scharf.