Predation on gray whales and prolonged feeding on submerged carcasses by transient killer whales at Unimak Island , Alaska

  title={Predation on gray whales and prolonged feeding on submerged carcasses by transient killer whales at Unimak Island , Alaska},
  author={Lance G. Barrett-Lennard and Craig O. Matkin and John W. Durban and Eva L. Saulitis and David Ellifrit},
As apex predators, killer whales Orcinus orca are expected to strongly influence the structure of marine communities by impacting the abundance, distribution, behavior, and evolution of their prey. Empirical assessments of these impacts are difficult, however, because killer whales are sparsely distributed, highly mobile, and difficult to observe. We present a 4 yr time series of observations of foraging and feeding behavior of >150 transient killer whales that aggregate annually during the… CONTINUE READING


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