Literature
- Bearhop S., Thompson D.R., Waldron S., Russell I.C., Alexander G. and Furness R.W. 1999. Stable isotopes indicate the extent of freshwater feeding by Cormorants Phalacrocorax carbo shot at inland fisheries in England. J. Appl. Ecol. 36: 75-84.
- Sidorovich V., Kruuk H., Macdonald D.W. and Maran T. 1998. Diets of semi-aquatic carnivores in northern Belarus, with implications for population changes. Ch. 11 in: N. Dunstone and M.L. Gorman (eds). Behaviour and ecology of riparian mammals. Symposia of the Zoological Society of London 71. Cambridge University Press, Cambridge: 177-189.