Diet Overlap

Chroicocephalus ridibundus (Common Black-headed Gull)
Pagophilus groenlandicus (Harp Seal)

Common Diet

Clupea harengus (Yawling)

Common Habitat

North America

Attributes / relations provided by
1Cirtwill, Alyssa R.; Eklöf, Anna (2018), Data from: Feeding environment and other traits shape species' roles in marine food webs, Dataset, https://doi.org/10.5061/dryad.1mv20r6
2Diet of Harp Seals (Phoca groenlandica) in Divisions 2J and 3KL During 1991–93, J. W. Lawson, G. B. Stenson and D. G. McKinnon, NAFO Sci. Coun. Studies, 21: 143–154 (1994)