Diet Overlap

Somniosus microcephalus (gray shark)
Ursus maritimus (Polar Bear)

Common Diet

Erignathus barbatus (Bearded Seal)
Pusa hispida (Ringed Seal)

Common Habitat

Sirmilik National Park

Attributes / relations provided by
1McMeans, Bailey C., et al. "The role of Greenland sharks (Somniosus microcephalus) in an Arctic ecosystem: assessed via stable isotopes and fatty acids." Marine Biology 160.5 (2013): 1223+. Academic OneFile. Web. 14 July 2014.
2Diet composition of polar bears in Svalbard and the western Barents Sea, Andrew E. Derocher, Øystein Wiig, Magnus Andersen, Polar Biol (2002) 25: 448–452