Citation
Whittingham, M.J., Bradbury, R.B., Wilson, J.D., Morris, A.J., Perkins, A.J. & Siriwardena, G.M. 2001. Chaffinch Fringilla coelebs foraging patterns, nestling survival and territory distribution on lowland farmland. Bird Study 48: 270. doi:10.1080/00063650109461226