| effect of brood age on nestling diet and prey composition in a hedgerow specialist bird, the barred warbler sylvia nisoria. | the composition and quality of food provided to nestling birds influence their growth and development and offers key insight into the ecological requirements of birds. one bird species whose feeding ecology is poorly understood is the barred warbler (sylvia nisoria), which utilizes semi-natural shrubby vegetation in agroecosystems. because barred warbler nestlings vary greatly in body mass we hypothesised that diet and prey properties (size, diversity, taxonomic composition, and chitin content a ... | 2015 | 26114941 |