2011), identify trophic pathways in bearded seals Erignathus barbatus and Pacific walruses Odobenus
rosmarus (Budge et al.
Interspecies overlap for invertebrate prey is most likely to occur among belugas and both Pacific walrus, Odobenus
rosmarus, and bearded seals for many benthic invertebrates.
Predation of thick-billed murres, Uria lomvia, at two breeding colonies by polar bears, Ursus maritimus, and walruses, Odobenus
As a result, the carcasses of walrus Odobenus
rosmarus divergens, beluga Delphinapterus leucas, harbor seal, spotted seal Phoca largha, sea otter and other marine animals regularly occur along the coastline.
Marine mammal examples include bones from the genera Phoca and Odobenus
, as well as various cetaceans; while terrestrial mammal examples include bones from the genera Mammut, Mammuthus, Rangifer, Tapirus, Cervalces (= Alces), Symbos, Bison, and Megalonyx (e.
If the name Pinnipedia is defined as "the dade stemming from the most recent common ancestor of Otaria byronia de Blainville 1820, Odobenus
rosmarus Linnaeus 1758, and Phoca vitulina Linnaeus 1758, provided that it possessed flippers homologous with those in the aforementioned species," then the name would not be applicable to any dade in the context of phylogenetic hypotheses in which the most recent common ancestor of these species was inferred not to have had flippers.
This has been demonstrated for the movements of gray seals, Halichoerus grypus; southern elephant seals, Mirounga leonina; walrus, Odobenus
rosmarus; and narwhals, Monodon monoceros (McConnell et al.