Literature
  • Reinhold 1996
  • Nahrungsökologie des Kormorans (Phalacrocorax carbo) auf Helgoland. Msc thesis Humbolt University, Berlin and Vogelwarte Helgoland, Helgoland, 72p
  • Sievers 1989
  • Nahrungsokologische Untersuchungen an Seehunden (Phoca vitulina, Linne 1758) aus dem schleswig-holsteinischen Wattenmeer. Zool. Anz. 222: 249-260
  • Nehls, Gienapp 1997
  • Nahrungswahl und Jagdverhalten des Kormorans Phalacrocorax carbo im Wattenmeer. Vogelwelt 118: 33-40
  • 1998
  • North American continental seasonality during the last millennium: high-resolution analysis of sagittal otoliths. Palaeogeography-Palaeoclimatology-Palaeoecology 138: 271-303
  • Camphuysen, Van Franeker 1997
  • Notes on the diet of Northern Fulmars Fulmarus glacialis from Bjørnøya (Bear Island). Sula 11(1): 1-10
  • Anker-Nilssen, Nygård 1987
  • Notes on the food choice of adult and young Guillemots Uria aalge during post-breeding migration in Central Norway. Fauna norv. Ser. C., Cinclus 10:53-56