Diet Overlap

Halobaena caerulea (Blue Petrel)
Thalassoica antarctica (Antarctic Petrel)

Common Diet

Euphausia superba (Antarctic krill)

Common Habitat

Antipodes Subantarctic Islands tundra
Macquarie Island Nature Reserve
Southern Indian Ocean Islands tundra

Attributes / relations provided by
1DENSITIES OF ANTARCTIC SEABIRDS AT SEA AND THE PRESENCE OF THE KRILL EUPHAUSIA SUPERBA, BRYAN S. OBST, The Auk 102: 540-549. July 1985
2Who's Eating Who