Diet and prey consumption of grey seals (Halichoerus grypus) in Norway

To obtain knowledge of feeding habits and prey consumption of grey seals, data were sampled in selected areas along the Norwegian coast. Prey were recovered from 182 grey seal gastrointestinal tracts and 199 faecal samples, collected during1999–2010 in Finnmark, Nordland and Rogaland counties. The most important prey were saithe Pollachius virens, cod Gadus morhua and wolffish Anarchichus spp. Wolffish was mainly eaten by seals ≥ five years old....