Blar i Master's theses (INA) på forfatter "Knutsen, Arnstein Engemyr"
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Diet and breeding success of great skuas (Catharacta skua) on Bjørnøya, Norway
Knutsen, Arnstein Engemyr (Master thesis, 2010-12-27)The last 40 years there has been a marked increase in the number of Great skuas (Catharacta skua) in Norwegian territory, and it seems as if the core distribution area is shifting, from Iceland and Shetland, northwards ...